LVm recommendation Post: 302500157

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Top Forums UNIX for Dummies Questions & Answers LVm recommendation Post 302500157 by theboogymaster on Sunday 27th of February 2011 05:03:19 PM

02-27-2011

Registered User

Well you can use LVM when ever you want. I'm managing 150 RedHat servers that use all of them the LVM. Its rely necessary cause if you have oracle databases that grow in size you must be able to add more space to your servers.. with a SAN or localy.. depends on what you need. I rely recommande LVM, and who told you that LVM is not good ?

Imagine you have a hd with 400G for example... Your application is using 300G and you know that you'll need more space in the future ... What are you going to do if you can't juste stop your application and transfer it on another hdd with more space ? Well ith LVM you don't need to do that... you juste add more disks to your server, put them in the same volume group with the other one, and you juste give more space to the file system that you need. This gives you a lot of advantage believe me.

Try 'it before, and after you can make an opinion about it..

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LEARN ABOUT OPENSOLARIS

pvck

PVCK(8)                                                       System Manager's Manual                                                      PVCK(8)

NAME

       pvck - check physical volume metadata

SYNOPSIS

       pvck [-d|--debug] [-h|--help] [-v|--verbose] [--labelsector] PhysicalVolume [PhysicalVolume...]

DESCRIPTION

       pvck checks physical volume LVM metadata for consistency.

OPTIONS

       See lvm for common options.

       --labelsector sector
              By  default, 4 sectors of PhysicalVolume are scanned for an LVM label, starting at sector 0.  This parameter allows you to specify a
              different starting sector for the scan and is useful for recovery situations.  For example, suppose the partition table is corrupted
              or  lost  on  /dev/sda, but you suspect there was an LVM partition at approximately 100 MB.  This area of the disk may be scanned by
              using the --labelsector parameter with a value of 204800 (100 * 1024 * 1024 / 512 = 204800):

              pvck --labelsector 204800 /dev/sda

              Note that a script can be used with --labelsector to automate the process of finding LVM labels.

SEE ALSO

       lvm(8), pvcreate(8), pvscan(8) vgck(8)

Sistina Software UK                                      LVM TOOLS 2.02.95(2) (2012-03-06)                                                 PVCK(8)