Displaying 20 results from an estimated 8000 matches similar to: "LVM superblock version"
2010 Oct 24
0
CentOS Digest, Vol 69, Issue 24
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2015 Nov 24
0
LVM - how to change lv from linear to stripped? Is it possible?
Hi All.
Currently I am trying to change a logical volume from linear to stripped
because I would like to have a better write throughput. I would like to
perform this change "live" without stopping access to this lv.
I have found two interesting examples:
http://community.hpe.com/t5/System-Administration/Need-to-move-the-data-from-Linear-LV-to-stripped-LV-on-RHEL-5-7/td-p/6134323
2008 Aug 17
2
mirroring with LVM?
I'm pulling my hair out trying to setup a mirrored logical volume.
lvconvert tells me I don't have enough free space, even though I have
hundreds of gigabytes free on both physical volumes.
Command: lvconvert -m1 /dev/vg1/iscsi_deeds_data
Insufficient suitable allocatable extents for logical volume : 10240
more required
Any ideas?
Thanks!,
Gordon
Here's the output from the
2016 Jan 22
0
LVM mirror database to ramdisk
On Fri, Jan 22, 2016 at 11:02 AM, Ed Heron <Ed at heron-ent.com> wrote:
> I'm still running CentOS 5 with Xen.
>
> We recently replaced a virtual host system board with an Intel
> S1400FP4, so the host went from a 4 core Xeon with 32G RAM to a 6 core
> Xeon with 48G RAM, max 96G. The drives are SSD.
>
> I was recently asked to move an InterBase server from
2012 Sep 17
0
[LLVMdev] Create superblock in LLVM IR
On Sep 17, 2012, at 9:13 AM, Tomas Minac <minac.tomas at gmail.com> wrote:
> Hi Andy,
>
> thank you for your respond,
>
> On 09/06/12 21:32, Andrew Trick wrote:
>>
>> On Sep 4, 2012, at 9:05 AM, Tomas Minac <minac.tomas at gmail.com> wrote:
>>
>>>
>>> Hello,
>>>
>>> I am member of research team on our Faculty
2016 Jan 22
4
LVM mirror database to ramdisk
I'm still running CentOS 5 with Xen.
We recently replaced a virtual host system board with an Intel
S1400FP4, so the host went from a 4 core Xeon with 32G RAM to a 6 core
Xeon with 48G RAM, max 96G. The drives are SSD.
I was recently asked to move an InterBase server from Windows 7 to
Windows Server. The database is 30G.
I'm speculating that if I put the database on a 35G
2012 Sep 06
0
[LLVMdev] Create superblock in LLVM IR
On Sep 4, 2012, at 9:05 AM, Tomas Minac <minac.tomas at gmail.com> wrote:
>
> Hello,
>
> I am member of research team on our Faculty of Information Technology (university VUT in Brno Czech Republic). We use LLVM for many projects and actually we want to create system, which will be able compile and profile aplication for VLIW processors in few iterations.
> We want to load
2012 Sep 17
2
[LLVMdev] Create superblock in LLVM IR
Hi Andy,
thank you for your respond,
On 09/06/12 21:32, Andrew Trick wrote:
>
> On Sep 4, 2012, at 9:05 AM, Tomas Minac <minac.tomas at gmail.com
> <mailto:minac.tomas at gmail.com>> wrote:
>
>>
>> Hello,
>>
>> I am member of research team on our Faculty of Information Technology
>> (university VUT in Brno Czech Republic). We use LLVM for
2011 Apr 26
0
mdraid woes (missing superblock?)
I have a raid1 array which is somehow faulty. There is 1,5 TB of stuff,
I would not want to lose it (though I have full backup).
The array cannot be mounted on startup (error message was "missing
superblock"). I had to boot from DVD with linux rescue and remove the
array from fstab.
Here is some info - I am a little dumbfounded.
[root at a134-224 log]# cat /proc/mdstat
(...)
md5 :
2012 Apr 27
1
Help with software raid + LVM on Centos 6
Hi all,
Please excuse the many posts.
Wondering if any one can help me with the the setup.
I have 2x2TBdisks.
I would like to mirror them.
I would like to create two LVMs so that I can snap shot from one to the other.
During Centos 6 install, how would I go about this as its confusing?
So far I am here;
1) Created the following raid devices;
md0 500MB (use it for /boot)
md1 4000MB (use it
2010 Apr 09
1
Kernel panic due to vg00 not found while not using LVM at all
Hi,
I have a system running CentOS4.8.
Last month I installed the latest updates including kernel 2.6.9-89.0.23
and rebooted the system. It has been running for almost a month.
Last night I updated the system again which updated only a few packages:
openssl, tzdata, curl,vixie-cron and logrotate.
No new kernel or anything out of ordinary. The reboot after the update
stopped with kernel
2016 Jan 22
2
LVM mirror database to ramdisk
On Fri, 2016-01-22 at 14:56 -0600, NightLightHosts Admin wrote:
> On Fri, Jan 22, 2016 at 11:02 AM, Ed Heron <Ed at heron-ent.com> wrote:
> > I'm still running CentOS 5 with Xen.
> >
> > We recently replaced a virtual host system board with an Intel
> > S1400FP4, so the host went from a 4 core Xeon with 32G RAM to a 6 core
> > Xeon with 48G RAM, max
2012 Sep 04
2
[LLVMdev] Fwd: Create superblock in LLVM IR
Hello,
I am member of research team on our Faculty of Information Technology
(university VUT in Brno Czech Republic). We use LLVM for many projects
and actually we want to create system, which will be able compile and
profile aplication for VLIW processors in few iterations.
We want to load profile information in 'opt' part of LLVM and use it for
create superblocks. Note, when
2020 Jul 11
3
is a MachineBasicBlock a kind of superblock?
MachineBasicBlock allows for multiple terminators. Unconditional branches
and returns are marked as terminators; the MIPS backend also marks
conditional branches as terminators. The MachineBasicBlock then has a
helper function getFirstTerminator which iterates from the first terminator
to the end of the MBB.
So it seems to me that an MBB is a kind of superblock, single entrance and
multiple side
2012 Jun 07
1
mdadm: failed to write superblock to
Hello,
i have a little problem. Our server has an broken RAID.
# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sda1[2](F) sdb1[1]
2096064 blocks [2/1] [_U]
md2 : active raid1 sda3[2](F) sdb3[1]
1462516672 blocks [2/1] [_U]
md1 : active raid1 sda2[0] sdb2[1]
524224 blocks [2/2] [UU]
unused devices: <none>
I have remove the partition:
# mdadm --remove
2010 Feb 26
0
Probs with the Superblock
Hello,
?
when the free Inode-List in the superblock is empty, there? will be a function how updates the inode-list with free inodes. On whoch location does the kernel prove thes requirement? The requirement is: Free Inode-List=Empty!I checked the linux source but i can?t find the function which checks if the superblock free inode list is empty!
?
Thanks for your help and sorry for my bad english
2017 Mar 18
1
Centos-6.8 fsck and lvms
I have a CentOS-6.8 system which has a suspected HHD failure. I have
booted it into rescue mode from a CentOS-6.5 minimal install CD in
order to run fsck -c on it. The system hosts several vms. I have
activated the lvs associated with these vm using pvscan -s ; vgscan ;
vgchange -ay. An lvscan shows the lvs as ACTIVE. None are mounted.
When I try to run fsck on any of them I see the
2016 Jul 08
0
[PATCHv2 2/3] lvm: modify guestfs_is_lv to take mountable
Calling guestfs_is_lv on btrfs subvolume throws an error.
Here we workaround it by taking Mountable instead of Device
and returning 'false' for non-device mountables.
---
daemon/lvm.c | 6 ++++--
generator/actions.ml | 6 +++---
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/daemon/lvm.c b/daemon/lvm.c
index 2b61357..4f02206 100644
--- a/daemon/lvm.c
+++
2003 Nov 09
1
EXT3 Superblock Recovery
hello.
had a bad day yesterday: accidentally, the first 0.5% to 1% of my ext3 partition got overwritten, can't gauge it more exactly. Geography of the partition is:
size ~100 GB.
block size should be 4096.
=> deleted are averages to 500mb - 1gb still.
I don't think it is relevant, but the device itself is /dev/loop0, because there is a cryptoloop layer between the device and the
2005 Oct 21
2
Recover original superblock on corrupted filesystem?
I've been trying to use fsck to recover a corrupted filesystem.
It appears the original superblock is corrupted too, as it has an inode
count of 0. When I start fsck with -b 32760, it uses the alternate
superblock and proceeds. However, it restarts from the beginning a
couple of times and after the second restart it doesn't use the
alternate superblock, stopping instead as it can't