01-23-2012
been a while since I worked with md so I can't help you much there. I would check all disks and SMART data for any errors.
RAID is not a substitute for backups.
Are you able to mount the file systems that are using those volumes?
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
is there anu way by which i can find out if all the disks on the system are working ?
Milind Shauche. (2 Replies)
Discussion started by: shauche
2 Replies
2. HP-UX
I am new to being a Unix admin and have a question about replacing some hardware. I have a K class box using HP-UX 10.20 with three disks. Two of the drives are in one logical volume. Every 3 or 4 days, the syslog is showing that one of these drives is experiencing "POWERFAILED" and then recovering... (6 Replies)
Discussion started by: SemiOfCol
6 Replies
3. SCO
Forgive me, I do not know much about RAID so I'm going to be
as detailed as possible.
This morning, our server's alarm was going. I found that one
of our drives have failed. (we have 3)
It is an Adaptec ATA RAID 2400A controller
I'm purchasing a new SCSI drive today. My questions:
... (2 Replies)
Discussion started by: gseyforth
2 Replies
4. Filesystems, Disks and Memory
Hi people, I have been using my disk for quite a long time but the other day I heard the drive making some noise and had to restart the system again. But when I did that the disk would not boot and I fear that the data might be deleted or lost. So, if you people have any know about the ways to get... (1 Reply)
Discussion started by: adam466
1 Replies
5. Filesystems, Disks and Memory
Hi people,
I have been using my disk for quite a long time but the other day I heard the drive making some noise and had to restart the system again. But when I did that the disk would not boot and I fear that the data might be deleted or lost. So, if you people have any know about the ways to... (2 Replies)
Discussion started by: christopher4
2 Replies
6. Solaris
hi all,
have a solaris 9 OS and a SAN disk which used to work fine is not getting picked up by my machine. can anyone point out things to check in order to troubleshoot this ??
thanks in advance. (3 Replies)
Discussion started by: cesarNZ
3 Replies
7. Solaris
I'm new to forums, it's my first time posting.
I have a sun v490 server. I just installed solaris 10.6, on the local drives. I'm being asked to do the following:
For Oracle install I need “oracle” user that belong to “dba” and “oinstall” groups. File system /u01/app/oracle, 10GB (if... (6 Replies)
Discussion started by: Kjons76
6 Replies
8. Red Hat
in red hat 4, 5 any one know any commands or any scritps to monitor HP DL 380 G5/6 server and trigger alarm when hard disk failed.
thanks for all support
---------- Post updated at 02:45 PM ---------- Previous update was at 12:00 PM ----------
does HP ProLiant Support Pack support is... (4 Replies)
Discussion started by: maxlee24
4 Replies
9. Solaris
Hello guys,
I have two servers performing the same disk operations. I believe one server is having a disk's impending failure however I have no hard evidence to prove it. This is a pair of Netra 210's with 2 drives in a hardware raid mirror (LSI raid controller). While performing intensive... (4 Replies)
Discussion started by: s ladd
4 Replies
10. AIX
Hi all,
I have encountered the issue with the hard disk, the disk is failed and need to replace by the new one.
As my understanding, this is just to take out the failed disk and insert the new ones, and that's all.
But the third party hardware vendor said, there should be another procedure... (9 Replies)
Discussion started by: Phat
9 Replies
LEARN ABOUT ULTRIX
disktab
disktab(5) File Formats Manual disktab(5)
Name
disktab - disk description file
Syntax
#include <disktab.h>
Description
The file is a simple data base that describes disk geometries and disk partition characteristics. The format is patterned after the termi-
nal data base. Entries in consist of a number of fields separated by colons (:). The first entry for each disk gives the names that are
known for the disk, separated by vertical bars (|). The last name given should be a long name fully identifying the disk.
The following list indicates the normal values stored for each disk entry:
Name Type Description
ns num Number of sectors per track
nt num Number of tracks per cylinder
nc num Total number of cylinders on the disk
ba num Block size for partition `a' (bytes)
bd num Block size for partition `d' (bytes)
be num Block size for partition `e' (bytes)
bf num Block size for partition `f' (bytes)
bg num Block size for partition `g' (bytes)
bh num Block size for partition `h' (bytes)
fa num Fragment size for partition `a' (bytes)
fd num Fragment size for partition `d' (bytes)
fe num Fragment size for partition `e' (bytes)
ff num Fragment size for partition `f' (bytes)
fg num Fragment size for partition `g' (bytes)
fh num Fragment size for partition `h' (bytes)
pa num Size of partition `a' in sectors
pb num Size of partition `b' in sectors
pc num Size of partition `c' in sectors
pd num Size of partition `d' in sectors
pe num Size of partition `e' in sectors
pf num Size of partition `f' in sectors
pg num Size of partition `g' in sectors
ph num Size of partition `h' in sectors
se num Sector size in bytes
ty str Type of disk (e.g. removable, winchester)
The entries can be automatically generated with the program.
Files
See Also
chpt(8), newfs(8)
disktab(5)