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Add spare disks to an aggregate

I just put online my FAS2220, I like the system a lot.  I have one controller with 6 disks, the system uses 5 disks for RAID DP, 3 for data usage and 2 for parity, and 1 as spare.  Since I am using the SAN in a lab environment, I want to use the spare for data usage.  what is the best way to achieve that?

Agg0 was already created for me, I edited the aggregate and add the spare disk for usable storage, it appears as a white disk in the aggregate, but my storage has not increase.  I feel like that I am missing something.  See attachment

By the way, I am new to the NetApp environment.  Any suggestions will be greatly appreciated.

Thanks,

Re: Add spare disks to an aggregate

I admit I'm not at all familiar with doing this from the GUI.  Can you provide the CLI output of sysconfig -r?

Bill

Re: Add spare disks to an aggregate

There it is:

SSGSAN1> sysconfig -r

Aggregate aggr0 (online, raid_dp) (block checksums)

  Plex /aggr0/plex0 (online, normal, active)

    RAID group /aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk Device  HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)

      --------- ------  ------------- ---- ---- ---- ----- --------------    --------------

      dparity   0a.00.0 0a    0   0   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      parity    0a.00.1 0a    0   1   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.2 0a    0   2   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.3 0a    0   3   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.4 0a    0   4   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

Spare disks

RAID Disk       Device  HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)

---------       ------  ------------- ---- ---- ---- ----- --------------    --------------

Spare disks for block checksum

spare           0a.00.5 0a    0   5   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

SSGSAN1>

Re: Add spare disks to an aggregate

Okay, so this shows what you initially described - 6 drives, one aggregate with 3 data + 2 parity, and one spare.

Not sure what you did when you say you "edited the aggregate and add the spare disk for usable storage", but it does not appear to have worked.

Your attachment seems to indicate that the raid group size of the aggregate is 6 - verify that with aggr options aggr0, and check the raidsize option.  You want it to be > 5 - otherwise when you add a drive it will start a new parity group, which means it will want to eat up two more parity drives.  If the raidsize is too small you can change it with aggr options aggr0 raidsize <new_raid_size>.

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.  NetApp, by default, will shut down every 24 hours in this state.  If you want this not to happen, set the raid.timeout option to 0.

Hope that helps.

Bill

Re: Add spare disks to an aggregate

I don't want to create another aggregate, I just want to add the spare disk to the current one.  I understand the ramifications, this storage system is going to be in a lab environment, we can survive if a drive or 2 fail.  Thanks for your answer.

Re: Add spare disks to an aggregate

The command I gave you will add the spare disk to aggr0.  Creating a new aggregate would be aggr create -d ..

Re: Add spare disks to an aggregate

Thanks Bill, it worked beautifully well.  Though it appears i didn't gain much space.  here is the new system config:

login as: root

root@192.168.6.6's password:

SSGSAN1> aggr raidsize?

aggr: No such command "raidsize?".

The following commands are available; for more information

type "aggr help <command>"

add                 mirror              rename              split

copy                offline             restrict            status

create              online              scrub               undestroy

destroy             options             show_space          verify

media_scrub

SSGSAN1> aggr add aggr0 -d 0a.00.5

WARNING! Continuing with aggr add will result in a

low spares disk condition for one or more RAID groups.

Are you sure you want to continue with aggr add? y

Mon Apr  1 21:32:48 GMT [SSGSAN1:raid.vol.disk.add.done:notice]: Addition of Disk /aggr0/plex0/rg0/0a.00.5 Shelf 0 Bay 5 [NETAPP   X302_WVULC01TSSM NA00] S/N [WD-WCAW34437338] to aggregate aggr0 has completed successfully

Addition of 1 disk to the aggregate has completed.

SSGSAN1> Mon Apr  1 21:32:48 GMT [SSGSAN1:raid.rg.spares.low:warning]: /aggr0/plex0/rg0

Mon Apr  1 21:32:48 GMT [SSGSAN1:callhome.spares.low:error]: Call home for SPARES_LOW

Mon Apr  1 21:33:00 GMT [SSGSAN1:monitor.globalStatus.nonCritical:warning]: There are not enough spare disks.

SSGSAN1> sysconfig -r

Aggregate aggr0 (online, raid_dp) (block checksums)

  Plex /aggr0/plex0 (online, normal, active)

    RAID group /aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk Device  HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)

      --------- ------  ------------- ---- ---- ---- ----- --------------    --------------

      dparity   0a.00.0 0a    0   0   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      parity    0a.00.1 0a    0   1   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.2 0a    0   2   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.3 0a    0   3   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.4 0a    0   4   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.5 0a    0   5   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

Spare disks (empty)

SSGSAN1> SSGSAN1> sysconfig -r

SSGSAN1> not found.  Type '?' for a list of commands

SSGSAN1> Aggregate aggr0 (online, raid_dp) (block checksums)

Aggregate not found.  Type '?' for a list of commands

SSGSAN1>   Plex /aggr0/plex0 (online, normal, active)

Plex not found.  Type '?' for a list of commands

SSGSAN1>     RAID group /aggr0/plex0/rg0 (normal, block checksums)

RAID not found.  Type '?' for a list of commands

SSGSAN1>

SSGSAN1>       RAID Disk Device  HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)

RAID not found.  Type '?' for a list of commands

SSGSAN1>       --------- ------  ------------- ---- ---- ---- ----- --------------    --------------

--------- not found.  Type '?' for a list of commands

SSGSAN1>       dparity   0a.00.0 0a    0   0   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

dparity not found.  Type '?' for a list of commands

SSGSAN1>       parity    0a.00.1 0a    0   1   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

parity not found.  Type '?' for a list of commands

SSGSAN1>       data      0a.00.2 0a    0   2   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

data not found.  Type '?' for a list of commands

SSGSAN1>       data      0a.00.3 0a    0   3   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

data not found.  Type '?' for a list of commands

SSGSAN1>       data      0a.00.4 0a    0   4   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

data not found.  Type '?' for a list of commands

SSGSAN1>       data      0a.00.5 0a    0   5   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

data not found.  Type '?' for a list of commands

SSGSAN1>

SSGSAN1>

SSGSAN1> Spare disks (empty)

Spare not found.  Type '?' for a list of commands

SSGSAN1> SSGSAN1>

SSGSAN1> not found.  Type '?' for a list of commands

SSGSAN1>

SSGSAN1> sysconfig -r                                                           Aggregate aggr0 (online, raid_dp) (block checksums)

  Plex /aggr0/plex0 (online, normal, active)

    RAID group /aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk Device  HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)

      --------- ------  ------------- ---- ---- ---- ----- --------------    --------------

      dparity   0a.00.0 0a    0   0   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      parity    0a.00.1 0a    0   1   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.2 0a    0   2   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.3 0a    0   3   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.4 0a    0   4   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.5 0a    0   5   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

Spare disks (empty)

SSGSAN1>

Re: Add spare disks to an aggregate

login as: root

root@192.168.6.6's password:

SSGSAN1> sysconfig -r

Aggregate aggr0 (online, raid_dp) (block checksums)

  Plex /aggr0/plex0 (online, normal, active)

    RAID group /aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk Device  HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)

      --------- ------  ------------- ---- ---- ---- ----- --------------    --------------

      dparity   0a.00.0 0a    0   0   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      parity    0a.00.1 0a    0   1   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.2 0a    0   2   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.3 0a    0   3   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.4 0a    0   4   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

      data      0a.00.5 0a    0   5   SA:A   -  BSAS  7200 847555/1735794176 847884/1736466816

Spare disks (empty)

SSGSAN1>

Re: Add spare disks to an aggregate

Should have seen an increase by about 1/3.  You were 2.18TB, so you should now be a bit under 3TB.  What are you seeing?

Bill

Re: Add spare disks to an aggregate

Thanks again for your help.