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03-21-2007 06:38 PM
03-21-2007 06:38 PM
SATA raid1 failed on linux
hi,
we install 2 hdd SATA 80 GB with hp 6 port sata raid controller
and we create array as raid1 on BIOS
we install win2003 everthing ok
to test Raid1 we remove second HDD
and windows runing ok and we can write files to volumes without problems.
** we also install redhat AS 3.0 with driver for sata Raid and every thing ok
but the problem when fail the second HDD to test raid1 ;read only message appear when we try to change any file or folder
also this happend with CENTOS linux.
we install 2 hdd SATA 80 GB with hp 6 port sata raid controller
and we create array as raid1 on BIOS
we install win2003 everthing ok
to test Raid1 we remove second HDD
and windows runing ok and we can write files to volumes without problems.
** we also install redhat AS 3.0 with driver for sata Raid and every thing ok
but the problem when fail the second HDD to test raid1 ;read only message appear when we try to change any file or folder
also this happend with CENTOS linux.
2 REPLIES 2
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03-21-2007 08:05 PM
03-21-2007 08:05 PM
Re: SATA raid1 failed on linux
Shalom,
Red Hat 4 updates 1 2 and 3 all had a bug that failed to install PRB/MBR on both disks. The parellel releases of Centos also had this bug.
Here is the fix.
1. boot redhat cd 1
2. enter "linux rescue" at isolinux prompt
3. no networking, mount drives
4. at shell prompt, type "grub"
5. find /grub/stage1
6. root (hd0,0)
7. setup (hd0)
8. root (hd1,0)
9. root (hd1)
10. klingon deathgrip
Thanks to Daniel Vaisrub, future RHCE who actually found this procedure for me when I needed it.
SEP
Red Hat 4 updates 1 2 and 3 all had a bug that failed to install PRB/MBR on both disks. The parellel releases of Centos also had this bug.
Here is the fix.
1. boot redhat cd 1
2. enter "linux rescue" at isolinux prompt
3. no networking, mount drives
4. at shell prompt, type "grub"
5. find /grub/stage1
6. root (hd0,0)
7. setup (hd0)
8. root (hd1,0)
9. root (hd1)
10. klingon deathgrip
Thanks to Daniel Vaisrub, future RHCE who actually found this procedure for me when I needed it.
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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03-21-2007 10:40 PM
03-21-2007 10:40 PM
Re: SATA raid1 failed on linux
I think that the problem is that when the second disk of the RAID fails, the file system becomes read only.
ext3 switches to read-only automatically if it encounters too many write errors. Probably the driver is not working as should.
ext3 switches to read-only automatically if it encounters too many write errors. Probably the driver is not working as should.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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