From: Bruce Shaw (Bruce.Shaw@gov.ab.ca)
Date: Wed Oct 05 2005 - 12:29:27 EDT
I've got a number of Enterprise 450's in my shop. One is running Solstice
disksuite and has a blown drive. New drives have been purchased for two
others. My users are wildly [sic] distributed and difficult to coordinate
for downtime.
Is it possible to add/replace these drives live?? What do I have to do to
get the OS to notice that I've added brand-new hardware?
I've got an identical drive to the one that's blown and room in the chassis
for the other two. I've replaced a SDS broken mirror live successfully on a
test box and the only thing I got was some complaints to the console while
the drive was firing up. Those tests, however, were done on a relatively
quiet box. The production boxes are running ORACLE which is rarely quiet.
On a side note, the drives in question are Seagate ST33605LC's. When I have
them in an E450, I get the following: (from /var/adm/messages)
Sep 29 13:41:11 candy scsi: [ID 365881 kern.info] <SUN36G cyl 24620 alt
2 hd 27 sec 107>
Sep 29 13:41:11 candy scsi: [ID 107833 kern.warning] WARNING:
/pci@6,2000/scsi@1 (glm2):
Sep 29 13:41:11 candy SCSI bus DATA IN phase parity error
Sep 29 13:41:11 candy glm: [ID 663555 kern.warning] WARNING:
ID[SUNWpd.glm.parity_check.6010]
Sep 29 13:41:11 candy scsi: [ID 107833 kern.warning] WARNING:
/pci@6,2000/scsi@1 (glm2):
Sep 29 13:41:11 candy Target 0 reducing sync. transfer rate
Sep 29 13:41:11 candy glm: [ID 923092 kern.warning] WARNING:
ID[SUNWpd.glm.sync_wide_backoff.6014]
Sep 29 13:41:11 candy scsi: [ID 107833 kern.warning] WARNING:
/pci@6,2000/scsi@1 (glm2):
Sep 29 13:41:11 candy SCSI bus DATA IN phase parity error
Sep 29 13:41:11 candy glm: [ID 663555 kern.warning] WARNING:
ID[SUNWpd.glm.parity_check.6010]
Sep 29 13:41:11 candy scsi: [ID 107833 kern.warning] WARNING:
/pci@6,2000/scsi@1 (glm2):
Sep 29 13:41:11 candy Target 0 disabled wide SCSI mode
Sep 29 13:41:11 candy glm: [ID 681974 kern.warning] WARNING:
ID[SUNWpd.glm.sync_wide_backoff.6012]
Sep 29 13:41:11 candy scsi: [ID 107833 kern.warning] WARNING:
/pci@6,2000/scsi@1 (glm2):
Sep 29 13:41:11 candy Target 0 reverting to async. mode
Sep 29 13:41:11 candy glm: [ID 802533 kern.warning] WARNING:
ID[SUNWpd.glm.sync_wide_backoff.6013]
Is this because I've got a narrow drive in a wide controller? Does this
affect the rest of the drives on that controller?
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