Montando um disco da SAN (RHEL 5.9)

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O administrador de armazenamento disse-me que colocou uma unidade de 3 TB no meu servidor a partir da SAN e pediram-me para a montar. A única informação que eu sei é que está no LUN 1 e que o disco tem 3 TB.

O Multipath é configurado e tenho unidades QLogic instaladas. Não sei o que fazer agora ... existem tantos discos como posso encontrar o caminho certo para montar? Eu disse ao cara do armazenamento que estou vendo tudo no SAN, mas acabei de receber "não sei Linux" dele. Não sei quais perguntas fazer para descobrir qual disco montar.

Esta é a saída de fsdisk -l : 

Disk /dev/cciss/c0d0: 299.9 GB, 299959511040 bytes
255 heads, 63 sectors/track, 36468 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

           Device Boot      Start         End      Blocks   Id  System
/dev/cciss/c0d0p1   *           1          13      104391   83  Linux
/dev/cciss/c0d0p2              14       36468   292824787+  8e  Linux LVM

Disk /dev/dm-0: 32.2 GB, 32212254720 bytes
255 heads, 63 sectors/track, 3916 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes


Disk /dev/dm-1: 267.6 GB, 267630149632 bytes
255 heads, 63 sectors/track, 32537 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes


Disk /dev/sda: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdb: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdc: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdd: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sde: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdf: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdg: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdh: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdh1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdi: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdj: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdk: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdk1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdl: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdm: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdn: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdn1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdo: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdp: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdq: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdq1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdr: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sds: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdt: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdt1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdu: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdv: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdw: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdw1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdx: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdy: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdz: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdz1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdaa: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdab: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdac: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdac1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdad: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdae: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdaf: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdaf1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdag: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdah: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdai: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdai1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdaj: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdak: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdal: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdal1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdam: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdan: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdao: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdao1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdap: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdaq: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdar: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdar1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdas: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdat: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/sdau: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System
/dev/sdau1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/sdav: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot      Start         End      Blocks   Id  System

Disk /dev/dm-2: 214.7 GB, 214748364800 bytes
255 heads, 63 sectors/track, 26108 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

     Device Boot      Start         End      Blocks   Id  System

Disk /dev/dm-3: 3298.5 GB, 3298534883328 bytes
255 heads, 63 sectors/track, 401024 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

     Device Boot      Start         End      Blocks   Id  System
/dev/dm-3p1               1      267350  2147483647+  ee  EFI GPT

Disk /dev/dm-4: 107.3 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

     Device Boot      Start         End      Blocks   Id  System

fc_hosts: 

 cat /sys/class/fc_host/host[1-4]/port_name 
    0x500143802424eb38 
    0x500143802424eb3a 
    0x500143802424ec18 
    0x500143802424ec1a

Multipath: 

 # multipath -ll
    mpath2 (360a98000572d505a6834737741386576) dm-4 NETAPP,LUN
    size=100G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw
    |-+- policy='round-robin 0' prio=4 status=active
    | |- 4:0:2:0 sdaq       66:160 active ready running
    | |- 4:0:1:0 sdan       66:112 active ready running
    | |- 3:0:3:0 sdah       66:16  active ready running
    | |- 3:0:1:0 sdab       65:176 active ready running
    | |- 1:0:3:0 sdv        65:80  active ready running
    | |- 1:0:1:0 sdp        8:240  active ready running
    | |- 2:0:2:0 sdg        8:96   active ready running
    | '- 2:0:1:0 sdd        8:48   active ready running
    '-+- policy='round-robin 0' prio=1 status=enabled
      |- 4:0:3:0 sdat       66:208 active ready running
      |- 4:0:0:0 sdak       66:64  active ready running
      |- 3:0:2:0 sdae       65:224 active ready running
      |- 3:0:0:0 sdy        65:128 active ready running
      |- 1:0:2:0 sds        65:32  active ready running
      |- 1:0:0:0 sdm        8:192  active ready running
      |- 2:0:3:0 sdj        8:144  active ready running
      '- 2:0:0:0 sda        8:0    active ready running
    mpath1 (360a98000572d505a6834737741434372) dm-3 NETAPP,LUN
    size=3.0T features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw
    |-+- policy='round-robin 0' prio=4 status=active
    | |- 4:0:2:1 sdar       66:176 active ready running
    | |- 4:0:1:1 sdao       66:128 active ready running
    | |- 3:0:3:1 sdai       66:32  active ready running
    | |- 3:0:1:1 sdac       65:192 active ready running
    | |- 1:0:3:1 sdw        65:96  active ready running
    | |- 1:0:1:1 sdq        65:0   active ready running
    | |- 2:0:2:1 sdh        8:112  active ready running
    | '- 2:0:1:1 sde        8:64   active ready running
    '-+- policy='round-robin 0' prio=1 status=enabled
      |- 4:0:3:1 sdau       66:224 active ready running
      |- 4:0:0:1 sdal       66:80  active ready running
      |- 3:0:2:1 sdaf       65:240 active ready running
      |- 3:0:0:1 sdz        65:144 active ready running
      |- 1:0:2:1 sdt        65:48  active ready running
      |- 1:0:0:1 sdn        8:208  active ready running
      |- 2:0:3:1 sdk        8:160  active ready running
      '- 2:0:0:1 sdb        8:16   active ready running
    mpath0 (360a98000572d505a6834737741457870) dm-2 NETAPP,LUN
    size=200G features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw
    |-+- policy='round-robin 0' prio=4 status=active
    | |- 4:0:2:2 sdas       66:192 active ready running
    | |- 4:0:1:2 sdap       66:144 active ready running
    | |- 3:0:3:2 sdaj       66:48  active ready running
    | |- 3:0:1:2 sdad       65:208 active ready running
    | |- 1:0:3:2 sdx        65:112 active ready running
    | |- 1:0:1:2 sdr        65:16  active ready running
    | |- 2:0:2:2 sdi        8:128  active ready running
    | '- 2:0:1:2 sdf        8:80   active ready running
    '-+- policy='round-robin 0' prio=1 status=enabled
      |- 4:0:3:2 sdav       66:240 active ready running
      |- 4:0:0:2 sdam       66:96  active ready running
      |- 3:0:2:2 sdag       66:0   active ready running
      |- 3:0:0:2 sdaa       65:160 active ready running
      |- 1:0:2:2 sdu        65:64  active ready running
      |- 1:0:0:2 sdo        8:224  active ready running
      |- 2:0:3:2 sdl        8:176  active ready running
      '- 2:0:0:2 sdc        8:32   active ready running

dmsetup: 

# dmsetup ls 
mpath2  (253, 4) 
mpath1  (253, 3) 
mpath0  (253, 2) 
VolGroup00-LogVol01     (253, 1) 
VolGroup00-LogVol00     (253, 0)

Eu nunca tive que fazer algo assim antes, então por favor não me bata. Estou apenas procurando perguntas que perguntem ao administrador de armazenamento e quais comandos encontrar a unidade certa para formatar e montar.

    
por 에이바 21.08.2013 / 16:27

1 resposta

6

Não use /dev/sd* , pois eles mapeiam apenas para caminhos únicos.

Use /dev/mpath* devices (ou conforme mostrado pela saída de multipath -l ).

A saída multipath -ll mostra que o disco que você deseja usar é /dev/mapper/mpath1

Faça o seu sistema de arquivos nele, formate-o, particione-o ou o que você quiser. Apenas não use os dispositivos /dev/sd* .

olhando para sua saída, 

mpath1 (360a98000572d505a6834737741434372) dm-3 NETAPP,LUN
size=3.0T features='3 queue_if_no_path pg_init_retries 50' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=4 status=active
| |- 4:0:2:1 sdar       66:176 active ready running
| |- 4:0:1:1 sdao       66:128 active ready running
| |- 3:0:3:1 sdai       66:32  active ready running
| |- 3:0:1:1 sdac       65:192 active ready running
| |- 1:0:3:1 sdw        65:96  active ready running
| |- 1:0:1:1 sdq        65:0   active ready running
| |- 2:0:2:1 sdh        8:112  active ready running
| '- 2:0:1:1 sde        8:64   active ready running
'-+- policy='round-robin 0' prio=1 status=enabled
  |- 4:0:3:1 sdau       66:224 active ready running
  |- 4:0:0:1 sdal       66:80  active ready running
  |- 3:0:2:1 sdaf       65:240 active ready running
  |- 3:0:0:1 sdz        65:144 active ready running
  |- 1:0:2:1 sdt        65:48  active ready running
  |- 1:0:0:1 sdn        8:208  active ready running
  |- 2:0:3:1 sdk        8:160  active ready running
  '- 2:0:0:1 sdb        8:16   active ready running

os dispositivos que compõem mpath1 representam caminhos únicos para os mesmos discos ( multipathd calcula isso olhando WWID etc). O que significa que todos os sd* discos na saída apontam para o mesmo dispositivo, mas estão usando caminhos diferentes para alcançá-lo. Isto é para redundância e, por vezes, motivos de desempenho.

    
por 21.08.2013 / 17:21

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