Re: I/O error on /export/home

From: V AS (vadsys@hotmail.com)
Date: Wed Oct 29 2003 - 23:38:24 EST

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Hello all,
Thanks to all who replied. I rebooted the system and did fsck on
/dev/rdsk/c3t5d0s2 with no luck.
Then I used fsck -F ufs -y -o b=32 /dev/rdsk/c3t5d0s2 but the result was an
error "Can't open /dev/rdsk/c3t5d0s2. Does this mean that the file system is
lost? if I do a df -k i get all the other file systems except the one in
question (/export/home) What options do I have now?

I have a Sun Enterprise 450 with 7 A1000s (with individual controllers).
If I do format
The output is as follows:
root@biotools # format
Searching for disks...done

AVAILABLE DISK SELECTIONS:
       0. c0t0d0 <SUN18G cyl 7506 alt 2 hd 19 sec 248>
          /pci@1f,4000/scsi@3/sd@0,0
       1. c0t1d0 <SUN18G cyl 7506 alt 2 hd 19 sec 248>
          /pci@1f,4000/scsi@3/sd@1,0
       2. c2t5d0 <Symbios-StorEDGEA1000-0301 cyl 43364 alt 2 hd 256 sec 64>
          /pseudo/rdnexus@2/rdriver@5,0
       3. c4t5d0 <Symbios-StorEDGEA1000-0301 cyl 43364 alt 2 hd 256 sec 64>
          /pseudo/rdnexus@4/rdriver@5,0
       4. c5t5d0 <Symbios-StorEDGEA1000-0301 cyl 43364 alt 2 hd 256 sec 64>
          /pseudo/rdnexus@5/rdriver@5,0
       5. c6t5d0 <Symbios-StorEDGEA1000-0301 cyl 43364 alt 2 hd 256 sec 64>
          /pseudo/rdnexus@6/rdriver@5,0
       6. c8t5d0 <SEAGATE-ST318406LC-010A cyl 26123 alt 2 hd 2 sec 686>
          /pseudo/rdnexus@8/rdriver@5,0
       7. c8t5d1 <Symbios-StorEDGEA1000-0205 cyl 25850 alt 2 hd 64 sec 64>
          /pseudo/rdnexus@8/rdriver@5,1
       8. c8t5d2 <Symbios-StorEDGEA1000-0205 cyl 25850 alt 2 hd 64 sec 64>
          /pseudo/rdnexus@8/rdriver@5,2

The old format output always show 9 Disk. And ofcourse the missing one is
c3t5d0 (used to be #3)
Is this a case of dead controller and/or the partition? What should I do to
atleast get it to be seen on format command?
Do I need to do the following at the boot prompt?
    ok> setenv autoboot? false
    ok> reset-all
    ok> probe-scsi-all
This is yet another call for the GURUS.
Thankyou,
VS

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