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Recover Super Block
How to recover a Super Block in Solaris 10 ?
sathish_us
- Aug 24th, 2009
You can get the alternate super blocks by command,# newfs -N /dev/rdsk/c0t0d0s0Then, run with any of listed alternate blocks# fsck -o b=32 /dev/rdsk/c0t0d0s0
sankar.naru
- Jun 17th, 2009
First check where the alternate superblocks are availablenewfs -N /dev/rdsk/c0t0d0s0it will give the alternate super blocksthen choose any one alternate superblock no and run this commandfsck -o b=alternate superblock /dev/rdsk/c0t0d0s0
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Install Boot Block
How to install a Boot Block in Solaris 10?
krishnaraghava
- Sep 13th, 2010
Installboot /usr/platform/'uname-i'/lib/fs/ufs/bootblk /dev/rdsk/c0d0s0
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TELNET and SSS
If a server is pingable but unable to TELNET or SSS what will you check and how will you resolve it?
sathish_us
- Sep 23rd, 2009
Check the TELNET & SSH services are running. If not, start the services.# svcs -a |grep telnet# svcadm enable telnet # svcadm enable sshIf still not to able to logon, check the firewall.
sankar.naru
- Jun 18th, 2009
You first check whether there are any dependency services are enabled or not.svcs -xv telnet and svcs -xv ssh If there are no dependencies then you can simply enable telnet and sshsvcadm enable teln...
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Solaris Boot Disk
How do you determining current booted disk in sun Solaris OS?
Lokesh
- Apr 25th, 2012
Prtconf -vp|grep -i boot ----gives last booted device
who -b -------last booted time
eeprom boot-device----------gives boot device -
Public Private Regions
What are Private and Public region?
sankar.naru
- Jun 18th, 2009
Private region is which contains configuration information i.e disk label, disk group name it belongs, disk group id, and configdb (generally this question is related to vxvm)Public region is to store the data.
Deva143
- Feb 18th, 2009
Private region is where all the configuration information is there and public region is where the user data is there (generally its related to VXVM)
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What is the command to create new file system?
sankar.naru
- Jun 18th, 2009
If you want to create UNIX file system there are two waysnewfs /dev/rdsk/c0t0d0s0mkfs -F ufs /dev/rdsk/c0t0d0s0or if you want to create veritas file systemmkfs -F vxfs (we have to give the path)
jaykanthk
- Nov 7th, 2007
Mkfs -m /dev/rdsk/c#t#d#s# this syntax to create a new filesystem. (OR)newfs /dev/rdsk/c0t0d0s0.
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What is the command to check Disk utilisation?
sankar.naru
- Jun 18th, 2009
Df -h (shows interms of GB's)df -k (shows in terms of KB's)du -k (shows the disk usage)
