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zfs migration checklist

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  1.  
  2. *** Do this on UGB (NSF) ***
  3.  
  4. 0. stop samba and NFS
  5.  
  6. 1. rsync data to uga (nsb)
  7.  root@nsf:~$ rsync -avh --progress --delete /export/ug/ root@nsb:/export/ugb/
  8.  
  9. 2. umount /export/ug  umount /export/ug1
  10. 3. recreate vdisks
  11.         x) PATH=$PATH:/opt/dell/srvadmin/bin
  12.        
  13.         a) check controller's disks
  14.                 omreport storage pdisk controller=0 | grep -E '^(ID|Status|Capacity|Sector Size|Bus|Power|Media)'
  15.        
  16.         b) delete old vdisk
  17.                 omreport storage vdisk controller=0 | grep -E '^(ID|Name)'
  18.                 omconfig storage vdisk action=deletevdisk controller=0 vdisk=six
  19.                
  20.         b) create disks
  21.                 omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:6 writepolicy=fwb name=disk06
  22.                
  23.                 root@nsf:/$ omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:2 writepolicy=fwb name=disk01
  24.                 Command successful!
  25.                 root@nsf:/$ omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:3 writepolicy=fwb name=disk02
  26.                 Command successful!
  27.                 root@nsf:/$ omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:4 writepolicy=fwb name=disk03
  28.                 Command successful!
  29.                 root@nsf:/$ omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:5 writepolicy=fwb name=disk04
  30.                 Command successful!
  31.                 root@nsf:/$ omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:6 writepolicy=fwb name=disk05
  32.                 Command successful!
  33.                 root@nsf:/$ omconfig storage controller controller=0 action=createvdisk raid=r0 size=max pdisk=0:1:7 writepolicy=fwb name=disk06
  34.                 Command successful!
  35.  
  36.                
  37.                 fdisk each disk,
  38.                 u
  39.                 2048 start
  40.                 sdc sdd
  41.                 sde sdf
  42.                 sdg sdh
  43.                
  44. 4. create zfs pool. 3x mirrors
  45.         zpool create -f ugb mirror /dev/disk/by-id... ... mirror ... ... mirror ... ...
  46.        
  47.         `zpool status` should look like:
  48.             uga                                               ONLINE       0     0     0
  49.           mirror-0                                        ONLINE       0     0     0
  50.             scsi-36848f690ec946a001f4604200a61a9c4-part1  ONLINE       0     0     0
  51.             scsi-36848f690ec946a001f46042f0b49a2bb-part1  ONLINE       0     0     0
  52.           mirror-1                                        ONLINE       0     0     0
  53.             scsi-36848f690ec946a001f4604460ca4d664-part1  ONLINE       0     0     0
  54.             scsi-36848f690ec946a001f46043c0c144593-part1  ONLINE       0     0     0
  55.           mirror-2                                        ONLINE       0     0     0
  56.             scsi-36848f690ec946a001f4604520d5ff888-part1  ONLINE       0     0     0
  57.             scsi-36848f690ec946a001f46045c0df837ce-part1  ONLINE       0     0     0
  58.  
  59.                        
  60. 5. create the pool with the compress option
  61.         zfs create -o compress=lz4 ugb/ugb
  62.        
  63.         zfs set mountpoint=/export ugb
  64.         zfs set compression=lz4 ugb
  65.         zfs set exec=off ugb
  66.  
  67.  
  68. 5. zfs import from uga(nsb) to ugb(nfs)
  69.  
  70.         uga (nsb)# zfs snapshot -r uga/ugb@transfer
  71.         uga (nsb)# zfs send -R uga/ugb@transfer | ssh ugb (nsf) "zfs recv -vFd ugb"
  72.        
  73.        
  74.         rename ugb/ugb to ugb/ug
  75.        
  76.         enable sharenfs, otherwise nested mounts don't work (WTF?)
  77.         zfs set sharenfs=on ugb
  78.        
  79.        
  80. 6. Ensure zfs gets mounted properly on reboot
  81.  
  82.  
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