netapp assign spare disk to aggregate

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I have 3 aggregate with 3 spares,

Im wondering if i can use the disk spare and assign to one of aggregate for additional capacity, is this possibl? what are the risks?

please see attached.

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It is possible but could cause a slowdown in performance depending on how many disks are in the aggregate... You need at least 1 spare (2 is better) so adding 1 or 2 drives isn't typical best practice. We prefer to add a complete raid group at a time to an aggregate when growing it... Adding less drives can cause those new drives to run hot (higher utilization as they are written to first)... there is a "reallocation" command that can layout volumes but that takes some time and has some limitations (if running dedup you need to be on 8.1 to run realllocate with dedup and no reallocate if running compression). It really depends on how many drives you have in the aggr now and the layout and how many you plan to add. Also it looks like you have 500GB in the aggregate now and are going to add 1TB spares... ONTAP supports mixed sizes in an aggr or raid group, but isn't something I like to do... the bigger drive will swap with one of the smaller parity drives so you don't gain anything on the first drive added of the bigger drive size then additional larger drives can be added as data so some diminishing returns on usable along with the performance hit you may have.

If you email the output of "sysconfig -r" and "sysconfig -V" (second command can be determined from the first but easier to see layout of raid groups this way) the community will give several opinions on layout...some may be different but good to see the different opinions and best practices used by others.

appreciated here is the config of the filer

filer001> sysconfig -r Aggregate aggr0 (online, raid_dp) (block checksums) Plex /aggr0/plex0 (online, normal, active) RAID group /aggr0/plex0/rg0 (normal)

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- dparity 0b.16 0b 1 0 FC:B - ATA 7200 423111/866531584 423889/868126304 parity 0a.32 0a 2 0 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0a.19 0a 1 3 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0a.33 0a 2 1 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0a.18 0a 1 2 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0b.34 0b 2 2 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0a.42 0a 2 10 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0b.27 0b 1 11 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0a.43 0a 2 11 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0b.28 0b 1 12 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0a.44 0a 2 12 FC:A - ATA 7200 423111/866531584 423889/868126304

Aggregate aggr1 (online, raid_dp) (block checksums) Plex /aggr1/plex0 (online, normal, active) RAID group /aggr1/plex0/rg0 (normal)

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- dparity 0a.35 0a 2 3 FC:A - ATA 7200 423111/866531584 423889/868126304 parity 0a.17 0a 1 1 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0b.36 0b 2 4 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0a.20 0a 1 4 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0b.37 0b 2 5 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0a.21 0a 1 5 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0a.22 0a 1 6 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0a.38 0a 2 6 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0a.23 0a 1 7 FC:A - ATA 7200 423111/866531584 423889/868126304 data 0b.39 0b 2 7 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0b.24 0b 1 8 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0b.40 0b 2 8 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0b.25 0b 1 9 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0b.41 0b 2 9 FC:B - ATA 7200 423111/866531584 423889/868126304 data 0b.26 0b 1 10 FC:B - ATA 7200 423111/866531584 423889/868126304

Aggregate aggr2 (online, raid_dp) (block checksums) Plex /aggr2/plex0 (online, normal, active) RAID group /aggr2/plex0/rg0 (normal)

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- dparity 0c.50 0c 3 2 FC:A - ATA 7200 847555/1735794176 847827/1736350304 parity 0c.58 0c 3 10 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.57 0c 3 9 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.56 0c 3 8 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.55 0c 3 7 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.53 0c 3 5 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.52 0c 3 4 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.51 0c 3 3 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.59 0c 3 11 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.49 0c 3 1 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.48 0c 3 0 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.54 0c 3 6 FC:A - ATA 7200 847555/1735794176 847827/1736350304 data 0c.60 0c 3 12 FC:A - ATA 7200 847555/1735794176 847827/1736350304

Spare disks

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- Spare disks for block or zoned checksum traditional volumes or aggregates spare 0b.29 0b 1 13 FC:B - ATA 7200 423111/866531584 423889/868126304 spare 0b.45 0b 2 13 FC:B - ATA 7200 423111/866531584 423889/868126304 spare 0c.61 0c 3 13 FC:A - ATA 7200 847555/1735794176 847827/1736350304 filer001>

fler001> sysconfig -V

volume aggr0 (1 RAID group):

group 0: 11 disks

volume aggr1 (1 RAID group):

group 0: 15 disks

volume aggr2 (1 RAID group):

group 0: 13 disks

filer001>

Forgot to also ask what ontap version and controller model. Also all 32bit aggrs? I will go over the layout in a bit

Sent from my iPhone 4S

these are 32 bit aggregates, FAS3020 7.3.7 DOT

With 32-bit aggregates this is a reasonable setup although it may have made sense to combine aggr0 and aggr1 together since the same 500GB drives and more spindle I/O in that aggregate. Once created you can’t combine without destroying them so likely not an option. The separate aggr2 with 1TB drives makes sense to have a new aggr with all the same size drives.

For spares, I prefer 2 of each drive type…that way maintenance garage is used (where a failed drive is tested and put back in the spares pool if it passes diagnostics), but on a smaller system going with 1 does make sense. For 1TB you only have one spare so should not use that one. For 500GB you have 2 spares and I’d leave those alone too…although you could use one of those drives for aggr0 or aggr1, but you would have a single disk bottleneck once you add it…which depending on current I/O may affect performance. A perfstat or statit over time (“priv set advanced ; statit -b” then wait a while and “priv set advanced ; statit -enr”) will show current disk utilization and you can interpret what may happen with a single drive add… the old best practice was at least 3 drives at a time and now we follow adding a full raid group at a time. If you need to grow an aggr, it would be best to add the full raid group and not a single drive. I would keep the current layout as is but depends if you can get more disks and how desperate the situation is for space.

If i really need to add spare disk, let say 500GB how much data will be added to the current aggr1? sorry im no NetApp expert.

by the way here is the statit result

filer001*> statit -enr

Hostname: filer001 ID: 0101202867 Memory: 2048 MB NetApp Release 7.3.7: Thu May 3 03:56:11 PDT 2012 <8O> Start time: Fri Sep 14 06:09:53 PHT 2012

CPU Statistics 369.083347 time (seconds) 100 % 285.440750 system time 77 % 8.451408 rupt time 2 % (4835644 rupts x 2 usec/rupt) 276.989342 non-rupt system time 75 % 452.725942 idle time 123 %

309.793971 time in CP 84 % 100 % 6.925683 rupt time in CP 2 % (3846202 rupts x 2 usec/rupt)

Multiprocessor Statistics cpu0 cpu1 total sk switches 16045076 4415501 20460577 hard switches 9774735 2591846 12366581 domain switches 30750 18492 49242 CP rupts 3533860 312342 3846202 nonCP rupts 929695 59747 989442 IPI rupts 1642 2930 4572 grab kahuna 14 7 21 grab w_xcleaner 58393 29891 88284

grab kahuna usec 2529 3110 5639 grab w_xcleaner usec 16247514 13569582 29817096 CP rupt usec 5930721 994962 6925683 nonCP rupt usec 1366298 159427 1525725 idle 191120184 261605757 452725942 kahuna 67861337 43114777 110976115 storage 18308425 9829725 28138150 exempt 12950985 16071951 29022937 raid 30240509 20510934 50751443 target 5426 4894 10321 netcache 0 0 0 netcache2 0 0 0 cifs 55722 51037 106760 wafl_exempt 0 0 0 wafl_xcleaner 0 0 0 sm_exempt 12253 13624 25878 cluster 0 0 0 protocol 0 0 0 nwk_exclusive 0 0 0 nwk_exempt 0 0 0 nwk_legacy 41231482 16726254 57957736 nwk_ctx1 0 0 0 nwk_ctx2 0 0 0 nwk_ctx3 0 0 0 nwk_ctx4 0 0 0

204.958101 seconds with one or more CPUs active ( 56%)

129.425114 seconds with one CPU active ( 35%) 75.532987 seconds with both CPUs active ( 20%)

Domain Utilization of Shared Domains 0 idle 0 kahuna 0 storage 0 exempt 0 raid 0 target 0 netcache 0 netcache2 0 cifs 0 wafl_exempt 0 wafl_xcleaner 0 sm_exempt 0 cluster 0 protocol 0 nwk_exclusive 0 nwk_exempt 0 nwk_legacy 0 nwk_ctx1 0 nwk_ctx2 0 nwk_ctx3 0 nwk_ctx4

CSMP Domain Switches From\To idle kahuna storage exempt raid target netcache netcache2 cifs wafl_exempt wafl_xcleaner sm_exempt cluster protocol nwk_exclusive nwk_exempt nwk_legacy nwk_ctx1 nwk_ctx2 nwk_ctx3 nwk_ctx4 idle 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 kahuna 0 0 598 0 1047 136 0 0 3143 0 0 0 0 0 0 0 15077 0 0 0 0 storage 0 598 0 0 4620 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 exempt 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 raid 0 1047 4620 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 target 0 136 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 netcache 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 netcache2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 cifs 0 3143 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 wafl_exempt 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 wafl_xcleaner 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 sm_exempt 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 cluster 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 protocol 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_exclusive 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_exempt 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_legacy 0 15077 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_ctx1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_ctx2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_ctx3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nwk_ctx4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Miscellaneous Statistics 12366581 hard context switches 525658 NFS operations 410 CIFS operations 0 HTTP operations 0 NetCache URLs 0 streaming packets 7435651 network KB received 7322367 network KB transmitted 11942136 disk KB read 10947460 disk KB written 6919387 NVRAM KB written 0 nolog KB written 1691881 WAFL bufs given to clients 0 checksum cache hits 1691542 no checksum - partial buffer 0 FCP operations 0 iSCSI operations

WAFL Statistics 4704 name cache hits 523 name cache misses 42386334 buf hash hits 12066605 buf hash misses 697938 inode cache hits 4 inode cache misses 8263392 buf cache hits 349463 buf cache misses 83295 blocks read 1865643 blocks read-ahead 213863 chains read-ahead 33087 dummy reads 1606364 blocks speculative read-ahead 2088468 blocks written 11654 stripes written 0 blocks over-written 0 wafl_timer generated CP 0 snapshot generated CP 0 wafl_avail_bufs generated CP 76 dirty_blk_cnt generated CP 0 full NV-log generated CP 2 back-to-back CP 0 flush generated CP 0 sync generated CP 0 wafl_avail_vbufs generated CP 0 deferred back-to-back CP 0 container-indirect-pin CP 0 low mbufs generated CP 15 low datavecs generated CP 1103373 non-restart messages 24297 IOWAIT suspends 10988 next nvlog nearly full msecs 18253 dirty buffer susp msecs 0 nvlog full susp msecs 391458 buffers

RAID Statistics 546668 xors 0 long dispatches [0] 0 long consumed [0] 0 long consumed hipri [0] 0 long low priority [0] 0 long high priority [0] 0 long monitor tics [0] 0 long monitor clears [0] 0 long dispatches [1] 0 long consumed [1] 0 long consumed hipri [1] 0 long low priority [1] 0 long high priority [1] 0 long monitor tics [1] 0 long monitor clears [1] 18 max batch 7872 blocked mode xor 126415 timed mode xor 1406 fast adjustments 826 slow adjustments 0 avg batch start 0 avg stripe/msec 12174 tetrises written 0 master tetrises 0 slave tetrises 326597 stripes written 219536 partial stripes 107061 full stripes 2080066 blocks written 898151 blocks read 1077 1 blocks per stripe size 9 479 2 blocks per stripe size 9 480 3 blocks per stripe size 9 666 4 blocks per stripe size 9 866 5 blocks per stripe size 9 1482 6 blocks per stripe size 9 3050 7 blocks per stripe size 9 11035 8 blocks per stripe size 9 99177 9 blocks per stripe size 9 24090 1 blocks per stripe size 11 22872 2 blocks per stripe size 11 23535 3 blocks per stripe size 11 23579 4 blocks per stripe size 11 22079 5 blocks per stripe size 11 20151 6 blocks per stripe size 11 18496 7 blocks per stripe size 11 15880 8 blocks per stripe size 11 13439 9 blocks per stripe size 11 11257 10 blocks per stripe size 11 7882 11 blocks per stripe size 11 1898 1 blocks per stripe size 13 805 2 blocks per stripe size 13 647 3 blocks per stripe size 13 469 4 blocks per stripe size 13 307 5 blocks per stripe size 13 265 6 blocks per stripe size 13 224 7 blocks per stripe size 13 184 8 blocks per stripe size 13 115 9 blocks per stripe size 13 68 10 blocks per stripe size 13 32 11 blocks per stripe size 13 9 12 blocks per stripe size 13 2 13 blocks per stripe size 13

Network Interface Statistics iface side bytes packets multicasts errors collisions pkt drops e0a recv 6966 84 0 0 0 xmit 2604 62 62 0 0 e0b recv 7664611 10846 0 0 0 xmit 1985894 5769 62 0 0 e0c recv 7606431912 7715430 0 0 0 xmit 7496113306 7481754 63 0 0 e0d recv 3968 62 0 0 0 xmit 2604 62 62 0 0 vh recv 0 0 0 0 0 xmit 0 0 0 0 0 Single recv 7670159 10925 5272 0 0 xmit 1988072 5828 124 0 0 vif1 recv 7593873116 7709940 127 0 0 xmit 7506890328 7483923 125 0 0

Disk Statistics ut% is the percent of time the disk was busy. xfers is the number of data-transfer commands issued. xfers = ureads + writes + cpreads + greads + gwrites chain is the average number of 4K blocks per command. usecs is the average disk round-trip time per 4K block.

disk ut% xfers ureads--chain-usecs writes--chain-usecs cpreads-chain-usecs greads--chain-usecs gwrites-chain-usecs /aggr0/plex0/rg0: 0b.16 14 8685 201 1.18 23996 7953 14.90 1063 531 4.43 1451 0 .... . 0 .... . 0a.32 15 8865 191 1.19 53040 8150 14.59 1125 524 4.25 1533 0 .... . 0 .... . 0a.19 50 23117 13787 1.01 35692 8190 13.86 2515 1140 4.10 6521 0 .... . 0 .... . 0a.33 49 22447 13408 1.02 35952 7985 14.30 2496 1054 4.25 6622 0 .... . 0 .... . 0a.18 49 22746 13608 1.02 35173 8022 14.22 2523 1116 4.14 7054 0 .... . 0 .... . 0b.34 48 22387 13333 1.02 34592 8007 14.27 2447 1047 3.93 6935 0 .... . 0 .... . 0a.42 48 22375 13301 1.03 34217 7968 14.26 2478 1106 4.28 6021 0 .... . 0 .... . 0b.27 49 22686 13619 1.02 35421 7967 14.27 2518 1100 4.35 6251 0 .... . 0 .... . 0a.43 49 22394 13207 1.02 35615 8007 14.12 2566 1180 4.72 5970 0 .... . 0 .... . 0b.28 49 22583 13445 1.02 34425 8000 14.23 2425 1138 4.04 7097 0 .... . 0 .... . 0a.44 48 22269 13081 1.02 34675 7935 14.22 2486 1253 4.77 5796 0 .... . 0 .... . /aggr1/plex0/rg0: 0a.35 4 2067 194 1.00 28278 1120 4.49 3283 753 6.26 1139 0 .... . 0 .... . 0a.17 6 2205 186 1.00 66086 1305 4.13 3402 714 6.25 1407 0 .... . 0 .... . 0b.36 3 1356 454 1.02 14931 561 2.49 5256 341 4.21 1310 0 .... . 0 .... . 0a.20 2 902 88 1.10 23021 417 3.29 6563 397 4.30 1214 0 .... . 0 .... . 0b.37 2 853 98 1.00 24582 369 3.26 6017 386 3.81 1496 0 .... . 0 .... . 0a.21 2 840 97 1.04 22950 367 3.28 6217 376 4.06 1353 0 .... . 0 .... . 0a.22 2 851 87 1.02 14831 376 3.09 6469 388 3.92 1338 0 .... . 0 .... . 0a.38 2 825 98 1.00 19224 382 3.37 5568 345 4.47 1086 0 .... . 0 .... . 0a.23 2 881 110 1.06 20017 382 2.88 6701 389 4.23 1268 0 .... . 0 .... . 0b.39 2 841 92 1.04 20104 380 2.83 7223 369 4.12 1478 0 .... . 0 .... . 0b.24 3 831 90 1.00 22011 369 3.20 6405 372 3.96 1322 0 .... . 0 .... . 0b.40 2 846 80 1.14 21110 381 3.20 6303 385 4.49 1231 0 .... . 0 .... . 0b.25 2 787 85 1.00 21788 335 3.29 6798 367 3.86 1571 0 .... . 0 .... . 0b.41 2 863 91 1.04 25411 381 3.28 6665 391 4.13 1353 0 .... . 0 .... . 0b.26 2 850 94 1.04 25051 380 3.01 7076 376 4.46 1073 0 .... . 0 .... . /aggr2/plex0/rg0: 0c.50 31 26838 188 1.00 32287 16252 12.51 1221 10398 7.53 869 0 .... . 0 .... . 0c.58 33 27042 186 1.00 75973 16469 12.37 1264 10387 7.52 1010 0 .... . 0 .... . 0c.57 84 48507 26439 6.39 6247 11314 8.23 4289 10754 6.50 3552 0 .... . 0 .... . 0c.56 83 48576 26433 6.43 6231 11342 8.34 4297 10801 6.46 3559 0 .... . 0 .... . 0c.55 84 49043 26843 6.37 6276 11402 8.43 4288 10798 6.47 3462 0 .... . 0 .... . 0c.53 83 48260 26330 6.43 6173 11211 8.49 4209 10719 6.52 3585 0 .... . 0 .... . 0c.52 83 48871 26607 6.38 6192 11558 8.34 4237 10706 6.44 3661 0 .... . 0 .... . 0c.51 83 48663 26735 6.39 6166 11150 8.43 4244 10778 6.53 3545 0 .... . 0 .... . 0c.59 84 48707 26626 6.42 6191 11290 8.30 4372 10791 6.45 3643 0 .... . 0 .... . 0c.49 83 48373 26429 6.40 6145 11214 8.49 4188 10730 6.48 3585 0 .... . 0 .... . 0c.48 83 48232 26037 6.41 6188 11477 8.41 4273 10718 6.38 3663 0 .... . 0 .... . 0c.54 82 48038 25990 6.28 6357 11208 8.34 4218 10840 6.49 3484 0 .... . 0 .... . 0c.60 84 48801 26611 6.34 6303 11297 8.39 4379 10893 6.48 3668 0 .... . 0 .... .

Aggregate statistics: Minimum 2 787 80 335 341 0 0 Mean 38 21135 10630 6483 4021 0 0 Maximum 84 49043 26843 16469 10893 0 0

Spares and other disks: 0c.61 0 0 0 .... . 0 .... . 0 .... . 0 .... . 0 .... .

Spares and other disks: 0b.29 0 0 0 .... . 0 .... . 0 .... . 0 .... . 0 .... .

Spares and other disks: 0b.45 0 0 0 .... . 0 .... . 0 .... . 0 .... . 0 .... .

FCP Statistics 0 FCP Bytes recv 0 FCP Bytes sent 0 FCP ops

iSCSI Statistics 0 iSCSI Bytes recv 0 iSCSI Bytes xmit 0 iSCSI ops

Interrupt Statistics 738305 Clock (IRQ 0) 50 Uart (IRQ 4) 84945 PCA Intr (IRQ 11) 3224863 Gigabit Ethernet (IRQ 48) 126 Gigabit Ethernet (IRQ 49) 558064 FCAL (IRQ 52) 2394 Gigabit Ethernet (IRQ 97) 9790 Gigabit Ethernet (IRQ 98) 135882 FCAL (IRQ 101) 76653 FCAL (IRQ 102) 0 RTC 4572 IPI 4835644 total

NVRAM Statistics 8771809 total dma transfer KB 6856088 wafl write req data KB 222006 dma transactions 1129392 dma destriptors 5243328 waitdone preempts 956614 waitdone delays 0 transactions not queued 222006 transactions queued 222006 transactions done 39766 total waittime (MS) 269491 completion wakeups 257624 nvdma completion wakeups 140203 nvdma completion waitdone 6920256 total nvlog KB 0 nvlog shadow header array full 0 channel1 dma transfer KB 0 channel1 dma transactions 0 channel1 dma descriptors

NFS Detail Statistics

Server rpc: TCP: calls badcalls nullrecv badlen xdrcall 525693 0 0 0 0

UDP: calls badcalls nullrecv badlen xdrcall 0 0 0 0 0

IPv4: calls badcalls nullrecv badlen xdrcall 525693 0 0 0 0

IPv6: calls badcalls nullrecv badlen xdrcall 0 0 0 0 0

Server nfs: calls badcalls 525659 0

Server nfs V2: (0 calls) null getattr setattr root lookup readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% wrcache write create remove rename link symlink 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% mkdir rmdir readdir statfs 0 0% 0 0% 0 0% 0 0%

Read request stats (version 2) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 > 131071 0 0 0 0 0 0 0 0 0 0 Write request stats (version 2) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 > 131071 49 76 29639 71491 130643 0 0 0 0 0

Server nfs V3: (525659 calls) null getattr setattr lookup access readlink read 0 0% 50168 10% 145 0% 2509 0% 32848 6% 0 0% 218476 42% write create mkdir symlink mknod remove rmdir 221222 42% 4 0% 0 0% 0 0% 0 0% 0 0% 0 0% rename link readdir readdir+ fsstat fsinfo pathconf 0 0% 0 0% 0 0% 0 0% 287 0% 0 0% 0 0% commit 0 0%

Read request stats (version 3) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 > 131071 11635 1638 18372 11719 51868171 3294236 4712579 2537897507 2286 0 Write request stats (version 3) 0-511 512-1023 1K-2047 2K-4095 4K-8191 8K-16383 16K-32767 32K-65535 64K-131071 > 131071 331807 5005226 36121655 17556380 7282066 9080609 52320807 1264075760 5054 0

Misaligned Read request stats BIN-0 BIN-1 BIN-2 BIN-3 BIN-4 BIN-5 BIN-6 BIN-7 2597516934 0 0 0 0 0 0 0 Misaligned Write request stats BIN-0 BIN-1 BIN-2 BIN-3 BIN-4 BIN-5 BIN-6 BIN-7 1289760205 204268 228737 206016 206647 203642 209687 208103

NFS V2 non-blocking request statistics: null getattr setattr root lookup readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% wrcache write create remove rename link symlink 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% mkdir rmdir readdir statfs 0 0% 0 0% 0 0% 0 0%

NFS V3 non-blocking request statistics: null getattr setattr lookup access readlink read 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% write create mkdir symlink mknod remove rmdir 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% rename link readdir readdir+ fsstat fsinfo pathconf 0 0% 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%

NFS reply cache statistics: TCP: InProg hits Misses Cache hits False hits 0 221371 21 2 UDP: In progress Misses Cache hits False hits 0 0 0 0 filer001*>

About 360GB if you have 5% aggr reserve.

Your disk utilization is really low. At least during this sample.

how I can see that the disk utilization is really low? from the statit output.

If i need to add this this disk "spare 0b.45 0b 2 13 FC:B - ATA 7200 423111/866531584 423889/868126304"

the command should be this one right?

aggr add aggr1 -d 0b.45

Correct. Not ideal to add 1 disk but that will add it.

i would say when you add a single disk to an existing aggr.. do it over weekend or when you a huge change window.. so that you have enough time when you do reallocation...

if i would be in your place.. in this case i usually migrate volumes one by one which are eating up space in aggr1 to a new aggr or other aggr which are in low usage.

think about in this way.. if you are adding a 300gb or 450gb disk to aggr1.. think in how many days you will be filling up that 300gb space ( may be sooner. and again you need to add few more disks..) so as a best practice if you are adding disks to existing aggr then add them in a pile if not create a new aggr with 'n' disks so that you wont be hitting any perf issues in future...

thanks vijay, we dont push this activity instead migrated the data to another volume.

I am fairly certain at this point you are running out of disk I/O capacity on aggr1 and aggr2. (need more spindles)

this would be affecting you in increased latency which I believe you are experiencing.

with that said, I agree with Scott and Vijay, you can add the disk, just reallocate at the volume level afterwards.

thanks all, we dont push this activity instead migrated the data to another volume.

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Reassign disks to nodes with System Manager - ONTAP 9.7 and earlier

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You can use ONTAP System Manager classic (available in ONTAP 9.7 and earlier) to reassign the ownership of spare disks from one node to another node to increase the capacity of an aggregate or storage pool.

You can reassign disks if the following conditions are true:

The container type of the selected disks must be “spare” or “shared”.

The disks must be connected to nodes in an HA configuration.

The disks must be visible to the node.

You cannot reassign a disk if the following conditions are true:

The container type of the selected disk is “shared”, and the data partition is not spare.

The disk is associated with a storage pool.

You cannot reassign the data partition of shared disks if storage failover is not enabled on the nodes that are associated with the shared disks.

For partition disks, you can reassign only the data partition of the disks.

For MetroCluster configurations, you cannot use System Manager to reassign disks.

You must use the command-line interface to reassign disks for MetroCluster configurations.

Click Storage > Aggregates & Disks > Disks .

In the Disks window, select the Inventory tab.

Select the disks that you want to reassign, and then click Assign .

In the Warning dialog box, click Continue .

In the Assign Disks dialog box, select the node to which you want to reassign the disks.

Click Assign .

Remove disk ownership using the ONTAP CLI (ONTAP 9.3 and later)

Assign disks automatically using the ONTAP CLI (ONTAP 9.3 and later)

Manually assign disks using the ONTAP CLI (ONTAP 9.3 and later)

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Expanding NetApp volume via spare disks

I am somewhat new to NetApp, so please bear with me. I have a NetApp appliance that I was told has spare disks. How do I:

Determine how many spare disks I have available? I have tried "disk show", but it doesn't have a column for "spare". All disks listed are a member of "Pool0". It doesn't show which disks are members of an aggregate either.
Add a spare disk to an aggregate. (If this is what needs to be done in order to give an aggregate more free space)

I did figure out how to grow a volume with aggregate free space, so I don't need any assistance there.

Apologies if I am going about this the wrong way or if I used terminology incorrectly.

sysconfig -r will also show you spares. – Sobrique Sep 17, 2014 at 15:20

netapp> aggr status -s To view spares disks in the system

netapp> aggr status -f To view failed disks in the system

netapp> aggr add aggr0 xx.yy To add disk xx.yy to aggregate0 - look for output the command aggr status -s

When I do "aggr status -s" I see "Spare disks for block checksum". Does that indicate that these disks are in use in any way? (I have 13 spare disks currently) – cat pants Sep 18, 2014 at 19:10
No, it means that those spares can be used on aggregates made of disks using block checksum. Generally, that's all of them. – Basil Oct 11, 2014 at 16:26

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Abort netapp snapvault, add disk to netapp 7-mode aggregate, add existing initiator to netapp 7-mode igroup, add ip address to netapp 7-mode vfiler, add license to netapp 7-mode controller, add netapp 7-mode nfs export, add netapp 7-mode qtree nfs export, add netapp cifs volume share, add netapp initiator to initiator group, add netapp vfiler initiator to initiator group, add netapp vfiler nfs volume export, add quota to netapp 7-mode volume, add storage to netapp vfiler, assign vlan to netapp ip space, associate netapp 7-mode volume as vmware nfs datastore, associate netapp vfiler volume as nfs datastore, clone netapp lun, configure netapp snapmirror, configure netapp vlan interface, create netapp aggregate, create netapp flexible volume, create netapp ip space, create netapp initiator group, create netapp lun, create netapp qtree, create netapp snapmirror schedule, create netapp snapvault, create netapp volume snapshot, create netapp vfiler initiator group, create netapp vfiler lun, create netapp vfiler setup, create netapp vlan interface, create vfiler using netapp ontap, delete netapp aggregate, delete netapp ip space, delete netapp initiator group, delete netapp snapmirror schedule, delete netapp snapvault, delete netapp vfiler initiator group, delete quota, delete vlan interface, destroy netapp flexible volume, destroy netapp lun, destroy netapp qtree, destroy netapp vfiler lun, destroy netapp vfiler using ontap, execute netapp cli, get netapp partner info, map lun to netapp initiator group, map netapp vfiler lun to initiator group, modify netapp snapvault, modify netapp volume status, move netapp lun, netapp snapmirror destination actions, persist netapp network configuration, release netapp snapvault, remove ip address from netapp vfiler, remove netapp cifs volume share, remove netapp initiator from initiator group, remove netapp qtree nfs export, remove netapp volume nfs export, remove netapp vfiler initiator from initiator group, remove netapp vfiler nfs volume export, remove storage from netapp vfiler, resize netapp flexible volume, resize netapp lun, resize netapp vfiler lun, resize netapp vfiler volume, resize vm datastore(netapp), restore netapp snapvault, set netapp cifs volume share access, setup netapp cifs on vfiler, unmap netapp lun from initiator group, unmap netapp vfiler lun from initiator group, update netapp snapvault.

This chapter contains the following sections:

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How to move assignment of spare disks from HA or DR partner node

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Description

Spare disks are owned by individual nodes in a High Availability (HA) pair or MetroCluster configuration.
One node in a HA pair to the partner node
One node in a MetroCluster to either the HA node's local pool (pool0) or the DR/AUX node's remote pool (pool1)

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COMMENTS

Add a disk as a spare to an aggregate
As for the RAID size value. Yes you can change that if you want, however OnTap will not pull a spare disk into the aggregate, only a human will do that. In other words, OnTap will not grow the aggregate just because it has spares and the RAID size is greater than the allocated drive. disk.auto_assign will assign an unknown disk to a file server.
Manually assign disk ownership
Volume administration. Network management. NAS storage management. SAN storage management. S3 object storage management. Authentication and access control. Security and data encryption. Disks must be owned by a node before they can be used in a local tier (aggregate). If your cluster is not configured to use automatic disk ownership assignme...
how to assign a spare disk to an aggregate
how to assign a spare disk to an aggregate MohamedShehata ‎2021-02-13 08:43 AM. 2,529 Views Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content; hello, i am using a 7mode filer NetApp Release 8.2.5 7-Mode, it's model is FAS2552, i need to move a disk from the spare pool to an aggregate ...
storage aggregate add-disks
Description. The storage aggregate add-disks command adds disks to an existing aggregate. You must specify the number of disks or provide a list of disks to be added. If you specify the number of disks without providing a list of disks, the system selects the disks.
Add spare disks to an aggregate
Then, aggr add aggr0 -d 0a.00.5. sysconfig -r should show no spares, and another data drive in the aggregate, and you should see your additional space. Warning - if a drive fails, you don't have a spare and the system can't rebuild, so you'll want to watch this. If you lose two drives, the system enters a degraded state.
Adding Spare disk to existing aggregate
If you want to add a single disk, you will need to expand the size of the raid group, I'm assuming that it is currently 11. If you increase it to 12, you can add the single disk to one of the existing raid groups. The disk space will be automatically part of the available aggregate size after adding. I need some pointers on adding a spare disk ...
How to unpartition disks and set to spare for use in a new aggregate
The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained ...
What are the best practices for adding disks to an existing aggregate
For best performance, it is advisable to add a new RAID group of equal size to existing RAID groups. If a new RAID group cannot be added, then at a minimum, three or more disks should be added at the same time to an existing RAID group. This allows the storage system to write new data across multiple disks. A forced reallocate must be done to ...
How to add disks to aggregate in ONTAP System ...
The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained ...
Solved: spare disk for aggregates
Let say we have an aggregate (aggr0) with ADP and an aggregate (agg1) without ADP on the same node of a cluster, can we assign just one spare for both aggr0 and aggr1 or we need separate spare for each aggregate? Back in the days with 7-mode in 8.x we have a global spare and any aggregate with a failed disk will pick up the spare and use it.
Manage aggregates
In the working environment, click the Aggregates tab. On the Aggregates tab, navigate to the desired title and then click the … (ellipse icon). Manage your aggregates: Task. Action. View information about an aggregate. Under the … (ellipse icon) menu, click View aggregate details. Create a volume on a specific aggregate.
Add disks to aggregate
1. Select the working environment to use. Perform the workflow Get working environments and choose the publicId value for the workingEnvironmentId path parameter. 2. Select the aggregate. Perform the workflow Get aggregates and choose the name value for the aggregateName path parameter. 3. Add the disks. HTTP method.
How to add disks to an existing data aggregate ...
This article describes the process to grow aggregates with newly added disks into a cluster using root-data1-data2 partitions. This assumes the disk partitions will be added into an existing raidgroup. If a new raidgroup is needed, see How to add partitioned disks to a new raidgroup.
Attach storage shelves and reassign disk ownership
Verify the power supply and physical connectivity of the shelves. From the node3 LOADER prompt, boot to Maintenance mode: boot_ontap maint. Display the system ID of node3: disk show -v. *> disk show -v. Local System ID: 101268854. ... Record the system ID of node3 for use in Step 4 below.
ONTAP 9 assign a disk as a spare
7,292 Views. If it is a used disk that has partitions already, try to: Assign all partition. storage disk assign -disk <disk id> -owner nodename -force. storage disk assign -disk <disk id> -owner nodename -root true -force. storage disk assign -disk <disk id> -owner nodename -data true -force. Remove foreign aggregate if applicable.
add disk spare to aggregate
2012-09-12 10:25 PM. 10,726 Views. It is possible but could cause a slowdown in performance depending on how many disks are in the aggregate... You need at least 1 spare (2 is better) so adding 1 or 2 drives isn't typical best practice. We prefer to add a complete raid group at a time to an aggregate when growing it...
Aggregate creation fails with message "is not a spare disk"
Within the ONTAP CLI, the node appears to have spare disks available: cluster1::> storage aggregate show-spare-disks. Original Owner: cluster1-01 Pool0 Root-Data Partitioned Spares Local Local Data Root Physical Disk Type Class RPM Checksum Usable Usable Size Status
Reassign disks to nodes with System Manager
Steps. Click Storage > Aggregates & Disks > Disks. In the Disks window, select the Inventory tab. Select the disks that you want to reassign, and then click Assign. In the Warning dialog box, click Continue. In the Assign Disks dialog box, select the node to which you want to reassign the disks. Click Assign.
How to add disks to a new partitioned raidgroup in a partitioned aggregate
Description. When adding non-partitioned spare disks to a partitioned aggregate as a new RAID group, the non-partitioned spares are not automatically getting partitioned as expected in the new RAID group. Follow the steps provided to partition 1 non-partitioned spare , first. This will allow you to add the remaining non-partitioned spares.
Expanding NetApp volume via spare disks
Add a spare disk to an aggregate. (If this is what needs to be done in order to give an aggregate more free space) ... netapp> aggr status -s To view spares disks in the system. netapp> aggr status -f To view failed disks in the system. netapp> aggr add aggr0 xx.yy To add disk xx.yy to aggregate0 - look for output the command aggr status -s ...
Auto-provisioning aggregate fails due to not enough spare disks with
remaining spare disks and partitions after aggregate creation: ... NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any ...
Cisco UCS Director Task Library Reference, Release 6.9
Add Disk to NetApp 7-Mode Aggregate Summary Assign disk(s) to the aggregate. Description The available spare disk(s) can be assigned to an aggregrate. Inputs. Input Description Mappable To Type ... Select disks to be aggregated. netapp Spare Disk List:
How to move assignment of spare disks from HA ...
Description. Spare disks are owned by individual nodes in a High Availability (HA) pair or MetroCluster configuration. This article explains how to move assignment or ownership of the spare disks from either: One node in a HA pair to the partner node. One node in a MetroCluster to either the HA node's local pool (pool0) or the DR/AUX node's ...