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LSI Hardware RAID related articles
Common Errors with Solutions
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LVM2 has a built in cache feature to use slow disk with SSDs. Although, by default, it changes...
How to: Change user from root with CageFSTo change your ssh console to an user other than root under cagefs, use the following: su -...
How to: Check rDNS of an IPAn easy way to check the rDNS of an IP would be to use the online tools like...
How to: Device Mapper Number to LV NameIt is often confusing when device mapper number appears while troubleshooting in place of logical...
How to: Extend LVM partitionTo increase the partition lv0 under volume group vg0 by 50GB, use lvextend command: lvextend...
How to: Extend meta data of a thin poolThin pool meta data often gets overflown. It is possible to extend the thin pool metadata then...
How to: Install nslookup, host or digError Example: -bash: host: command not found If your installation doesn't come with...
How to: LVM SnapshotLVM snapshot can be useful for filesystem integrity check and backups. A snapshot of size 15GB...
How to: List volume id or uuid in LinuxThere are places where it is called volume id like r1soft, while most of the cases they are...
How to: Mount raw VM disk images (KVM/Xen/VMW)You can use linux loop device to mount the raw/disk images on the host. First, setup the loop...
How to: Rename Volume Group when there are multiple Volume Group with the same nameIf for some reason, you end up screwing your LVM configuration with two volume group of the same...
How to: Repair a lvm thin poolSometimes there can be error like the following:Thin's thin-pool needs inspection.It can appear...
LVM CheatsheetTo install LVM2 in CentOS/Redhat servers: yum install lvm2 1. Add a partition to physical...