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Operating Systems Solaris What is mirror and sub mirror in RAID -1 SVM Post 302344638 by incredible on Monday 17th of August 2009 07:38:42 AM
Old 08-17-2009
 

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1. Filesystems, Disks and Memory

Creating a Mirror RAID With Existing Disk

Hi there, I'm not sure if this is possible, but here is what I'd like to do.. I have an existing 160GB drive in my Redhat 9.0 server that I would like to add an additional 160GB drive to and create a mirrored RAID of the first disk to the new disk. I would like to do this without having to... (2 Replies)
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2. Solaris

mirror failed

i am working in sun solaris unix platform with storage device T3+ i got an error message mirror failed i have telneted to the storage and gave the command format it gives disk not available , i have shifted my storage from node A to node B then i gave the same command format by telneting to... (0 Replies)
Discussion started by: sasiprabu
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3. Solaris

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I've looked a little but haven't found a solid answer, assuming there is one. What's better, hardware mirroring or ZFS mirroring? Common practice for us was to use the raid controllers on the Sun x86 servers. Now we've been using ZFS mirroring since U6. Any performance difference? Any other... (3 Replies)
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4. Solaris

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5. Ubuntu

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6. HP-UX

What is the difference between DRD and Root Mirror Disk using LVM mirror ?

what is the difference between DRD and Root Mirror Disk using LVM mirror ? (3 Replies)
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7. Linux

Centos 7.2 Convert single LVM to RAID Mirror Reinstall BootLoader

Hello, I am trying to convert a single-drive Centos 7.2 installation with LVM into a two-disk mdadm mirror with mrrored LVM. I was able to follow the excellent instructions at: http://www.dgoradia.com/creating-a-raid1-mirrored-on-an-existing-centos-on-lvm/and did create a two-disk mirror... (1 Reply)
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8. Solaris

Replacing a Disk in a ODS/SVM Mirror

Hi All BAsed on the below I would like to verifu two things (1) The udnerlying mirroris for '/mnt' na dit onlcy contaisne 1 sub-mirror, with one sliceon is one disk and hence, data loss on the mount point (the mount point, '/mnt' is backed up) (2) the Procedure for renewal # df -kh /mnt... (2 Replies)
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SYS(1)                                                         AFS Command Reference                                                        SYS(1)

NAME
sys - Reports the compile-time CPU/operating system type SYNOPSIS
sys DESCRIPTION
The sys command displays the string set at compile time that indicates the local machine's CPU/operating system (OS) type, conventionally called the sysname. This string is the default for the value stored in kernel memory. The Cache Manager substitutes this string for the @sys variable which can occur in AFS pathnames; the OpenAFS Quick Start Guide and OpenAFS Administration Guide explain how using @sys can simplify cell configuration. To set a new value in kernel memory, use the fs sysname command. To view the current value set in the kernel, use either fs sysname or livesys. CAUTIONS
You almost always want to use livesys rather than this command. The sys command displays a single value hard-coded at compile time. It does not query the Cache Manager for the current value and it does not report sysname lists. If you have changed the local system type with fs sysname, or if you run a version of sys compiled differently than the Cache Manager running on the system, the value returned will not match the behavior of the Cache Manager. The only reason to use sys is that livesys wasn't available in older versions of AFS. OUTPUT
The machine's system type appears as a text string: I<system_type> EXAMPLES
The following example shows the output produced on a Sun SPARCStation running Solaris 5.7: % sys sun4x_57 PRIVILEGE REQUIRED
None SEE ALSO
fs_sysname(1), livesys(1) The OpenAFS Quick Start Guides at <http://docs.openafs.org/>. The OpenAFS Administration Guide at <http://docs.openafs.org/AdminGuide/>. COPYRIGHT
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved. This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. OpenAFS 2012-03-26 SYS(1)
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