05-31-2016
What do you call multipath? Are you talking of PVs seen by HBAs ?
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1. Solaris
Hello everybody...
I have a Server conected to a Disk Array through 2 canals of FiberChannel... I've installed RedHat Advance Server 3 and of course i see two device files that refer the same disk: for example: /dev/sda and /dev/sdb are refered to the same Lun... This is the same case for a new... (2 Replies)
Discussion started by: lenux78
2 Replies
2. UNIX for Dummies Questions & Answers
Hi..
when i delete a Lun from a Array on a SAN, and again when i create a Lun it shows that the newly created Lun has the ID of the Old deleted Lun which is leading to data corruption. All this is handled by the Multipath software. can anybody help. (0 Replies)
Discussion started by: Praveen13
0 Replies
3. Red Hat
I don't undestand how to combine 4 nics in order to use DM Multipath. Do I have to install each nic with its IP address? If yes, do I need a group IP address? This concept is not clear for me.
The connection beetwen the server (DELL Poweredge T710) and the SAN through iscsi works well, I used... (1 Reply)
Discussion started by: gnupinux
1 Replies
4. Red Hat
Hi All,
When I execute multipath -ll command that time display only 3 path (mpath1,mpath2 and mpath5), not display other 2 path (mpath3 and mpath4). I have configure 5 path in /etc/multipath.conf file. What is the reason behind it. Please help me.
Please find below the output :
... (5 Replies)
Discussion started by: mnmonu
5 Replies
5. Red Hat
Hi All,
When I execute "multipath -ll" command that time display only 3 path (orafra2,oradata2 and oradata1), not display other 2 path (orafra1 and data1). I have configure 5 path in "/etc/multipath.conf" file. What is the reason behind it. Please help me.
Please find below some output for... (4 Replies)
Discussion started by: mnmonu
4 Replies
6. Ubuntu
Hello,
i have a problem with the multipath tools configuration.
i can't remove the local disk paths.
the multipath.conf archives configuration is:
---------------------------------------------------------
$ cat /etc/multipath.conf
blacklist{
devnode cciss
devnode fd
... (0 Replies)
Discussion started by: FeeII
0 Replies
7. Red Hat
hi,
I've a question about multipath.
One server uses this configuration:
mpath02 (3600d000ff0d510cae5b8df4d01000000) dm-2 FSC,FibraCAT_SX
\_ round-robin 0
\_ 0:0:3:2 sdq 8:64
\_ round-robin 0
\_ 1:0:2:2 sdw 8:160
\_ round-robin 0
\_ 1:0:5:2 sde 65:16
\_ round-robin... (0 Replies)
Discussion started by: davyp74
0 Replies
8. Red Hat
Hi,
I am running RHEL6 on a physical node (HP Proliant).
If it normal for the root device to get listed in the "multipath -ll" output? (Listed below as dm-4, HP LOGICAL VOLUME).
i.e.
asm-data (360a98000424a414b453f443548503644) dm-3 NETAPP,LUN
size=768G features='4 queue_if_no_path... (0 Replies)
Discussion started by: Duffs22
0 Replies
9. UNIX for Advanced & Expert Users
Hi,
I have a RAC installation on 2 solaris 11 nodes. (With ASM)
Disks' mpath are managed by EMC Powerpath on both nodes.
I want to migrate mpath software to Solaris multipath without downtime.
My plan is first migrate node1 to solaris mpath, then after some days migrate node2 to sol.mpath.
My... (5 Replies)
Discussion started by: vlkkck
5 Replies
10. Red Hat
Hi,
In a RHEL 5 box, I have just added new multipath configurations in /etc/multipath.conf :
blacklist_exceptions {
wwid "360002ac0000000000000008e0001ee00"
wwid "360002ac0000000000000008f0001ee00"
wwid "360002ac000000000000000900001ee00"
wwid... (0 Replies)
Discussion started by: anaigini45
0 Replies
LEARN ABOUT SUSE
vgimportclone
VGIMPORTCLONE(8) System Manager's Manual VGIMPORTCLONE(8)
NAME
vgimportclone - import and rename duplicated volume group (e.g. a hardware snapshot)
SYNOPSIS
vgimportclone [-n|--basevgname VolumeGroupName] [-i|--import] PhysicalVolume [PhysicalVolume...]
DESCRIPTION
vgimportclone is used to import a duplicated VG (e.g. hardware snapshot). Duplicate VG(s) and PV(s) are not able to be used until they are
made to coexist with the origin VG(s) and PV(s). vgimportclone renames the VG associated with the specified PV(s) and changes the associ-
ated VG and PV UUIDs.
OPTIONS
See lvm for common options.
-n|--basevgname VolumeGroupName
By default the snapshot VG will be renamed to the original name plus a numeric suffix to avoid duplicate naming (e.g. 'test_vg'
would be renamed to 'test_vg1'). This option will override the base VG name that is used for all VG renames. If a VG already
exists with the specified name a numeric suffix will be added (like the previous example) to make it unique.
-i|--import
Import exported Volume Groups. Otherwise VGs that have been exported will not be changed (nor will their associated PVs).
ENVIRONMENT VARIABLES
LVM_BINARY
The LVM2 binary to use. Defaults to "lvm".
EXAMPLES
If origin VG test_vg has PVs /dev/loop0 and /dev/loop1 and /dev/loop2 and /dev/loop3 are respective snapshot PVs of the origin PVs. To
rename the VG associated with /dev/loop2 and /dev/loop3 from test_vg to test_vg_snap (and change associated VG and PV UUIDs):
vgimportclone --basevgname test_vg_snap /dev/loop2 /dev/loop3
SEE ALSO
lvm(8)
Red Hat, Inc. LVM TOOLS 2.02.67(2) (2010-06-04) VGIMPORTCLONE(8)