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From: Richard Scobie <richard@sauce.co.nz>
To: linux-scsi@vger.kernel.org
Subject: Reallocating sd device
Date: Tue, 10 Jun 2008 07:49:09 +1200	[thread overview]
Message-ID: <484D8935.70905@sauce.co.nz> (raw)

Testing a 16 SATA drive (/dev/sd[c-r]1), md RAID, with drives installed
in a hotswap SAS/SATA enclosure.

Failed out /dev/sdd1, ejected the drive from the enclosure, reinserted
it and the system added it back as /dev/sds:

Jun  9 11:24:37 flash2 kernel: mptsas: ioc0: removing sata device,
channel 0, id 30, phy 5
Jun  9 11:24:37 flash2 kernel: sd 4:0:1:0: [sdd] Synchronizing SCSI cache

Jun  9 11:24:37 flash2 kernel: sd 4:0:1:0: [sdd] Result:
hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK

Jun  9 11:26:38 flash2 kernel: mptsas: ioc0: attaching sata device,
channel 0, id 30, phy 5

Jun  9 11:26:38 flash2 kernel: scsi 4:0:17:0: Direct-Access     ATA
  WDC WD7500AYYS-0 4G30 PQ: 0 ANSI: 5

Jun  9 11:26:38 flash2 kernel: sd 4:0:17:0: [sds] 1465149168 512-byte
hardware sectors (750156 MB)

Rebooting shows the offline drive back as /dev/sdd.

Is there a safe, (OK to do on a mounted, active array), way of changing
the sds back to sdd, prior to adding it back into the array, without
having to reboot?

Regards,

Richard


             reply	other threads:[~2008-06-09 19:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-09 19:49 Richard Scobie [this message]
2008-06-09 19:54 ` Reallocating sd device James Bottomley
2008-06-09 20:17   ` Richard Scobie
2008-06-10  3:56     ` James Bottomley
2008-06-10  4:21       ` Richard Scobie

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