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тАО12-06-2005 12:31 PM
тАО12-06-2005 12:31 PM
Frequent AdvFS I/O errors and disk failures in HSZ80
OS and Hardware Information :
Tru64 Unix Version 5.1B on an ES40 connected to Multi-bus Failover configuration of HSZ80s.
Patching Information :
Patches installed on the system came from following software kits:
----------------------------------------------- - T64KIT0024267-V51BB25-E-20041122 OSF540
- T64V51BB25AS0004-20040616 OSF540
- T64V51BB26AS0005-20050502 OSF540
-----------------------------------------------
Problem :
I have been experiencing frequent HDD failures on the HSZ80 ( my OS also being in the HSZ80 ).
One interesting pattern observed has been the refurbished 36 GB Drives failing mostly ( 5 out of the 6 HDDs failed within the last 1 month were these ones ).
Recently i am also begining to see AdvFS I/O errors on the /var/adm/messages file as in the attachment.
As suggested in the messages file, i have tried increasing the setting of AdvfsIORetryControl from 0 to 5.
The HSZ80 UNIT seen as dskx to which this domain on which the AdvFS I/O error occurs is a RAID 0+1 Storageset.After having obtained the name of the file on which the AdvFS I/O error occurred by using tag2name, i would like to know if it is possible to find the physical hard-disk on which this file resides.
Also, i would like to kno what is the optimal value of AdvfsIORetryControl ?.
Any suggestions / thoughts to close this chapter once and for all, please pour in.
Thanks in advance.
Srivathsan A
Tru64 Unix Version 5.1B on an ES40 connected to Multi-bus Failover configuration of HSZ80s.
Patching Information :
Patches installed on the system came from following software kits:
----------------------------------------------- - T64KIT0024267-V51BB25-E-20041122 OSF540
- T64V51BB25AS0004-20040616 OSF540
- T64V51BB26AS0005-20050502 OSF540
-----------------------------------------------
Problem :
I have been experiencing frequent HDD failures on the HSZ80 ( my OS also being in the HSZ80 ).
One interesting pattern observed has been the refurbished 36 GB Drives failing mostly ( 5 out of the 6 HDDs failed within the last 1 month were these ones ).
Recently i am also begining to see AdvFS I/O errors on the /var/adm/messages file as in the attachment.
As suggested in the messages file, i have tried increasing the setting of AdvfsIORetryControl from 0 to 5.
The HSZ80 UNIT seen as dskx to which this domain on which the AdvFS I/O error occurs is a RAID 0+1 Storageset.After having obtained the name of the file on which the AdvFS I/O error occurred by using tag2name, i would like to know if it is possible to find the physical hard-disk on which this file resides.
Also, i would like to kno what is the optimal value of AdvfsIORetryControl ?.
Any suggestions / thoughts to close this chapter once and for all, please pour in.
Thanks in advance.
Srivathsan A
3 REPLIES 3
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тАО12-06-2005 01:16 PM
тАО12-06-2005 01:16 PM
Re: Frequent AdvFS I/O errors and disk failures in HSZ80
Are the HDD failures on the same slots each time?
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тАО12-06-2005 02:11 PM
тАО12-06-2005 02:11 PM
Re: Frequent AdvFS I/O errors and disk failures in HSZ80
Hi Nikki,
Unfortunately not :-(
Thanks
Unfortunately not :-(
Thanks
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тАО12-07-2005 02:32 AM
тАО12-07-2005 02:32 AM
Re: Frequent AdvFS I/O errors and disk failures in HSZ80
Hi,
from the log you can see that it is
/dev/disk/dsk6a
I haven't worked with the HSZ80.
If it has a console port, connect a terminal and watch for error messages.
How old are the disks?
Are they from roughly the same production batch?
greetings,
Michael
from the log you can see that it is
/dev/disk/dsk6a
I haven't worked with the HSZ80.
If it has a console port, connect a terminal and watch for error messages.
How old are the disks?
Are they from roughly the same production batch?
greetings,
Michael
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