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...ter which fdisk -l gives output as: Device Boot Start End Blocks Id System /dev/sda1 * 1 13 104391 83 Linux /dev/sda2 14 3500 28009327+ 83 Linux /dev/sda3 3501 6527 24314377+ 83 Linux Now, when I run partprobe I get the following error: Error: Error informing the kernel about modifications to partition /dev/sda3 -- Device or resource busy. This means Linux won't know about any changes you made to /dev/sda3 until you reboot -- so you shouldn't mount it or use it in any way before rebooting. Warn...

Hello everyone, Im starting to use Xen on a SUSE Linux Enterprise Server 10 SP2, but Im not quite happy yet with the virtual disk management. I still need to do a lot of research about that, but first I want to ask the community about a simple way to handle the guest machine disks. *Is there any way to increase/decrease a guest machine disk after the OS is installed? Can I have a dynamically

On Fri, 2016-05-13 at 23:17 -0453, William A. Mahaffey III wrote: > Is the disk or 1 of its partitions mounted ? If so, can it be > unmounted Hi William, its the only HDD on that machine. All the partitions are mounted. The error message refers to the HDD, not to any of the mounted partitions. > > WARNING: the kernel failed to re-read the partition table > > on /dev/sda

..., bigger one) Now's when the problems happened. After writing the partition table I got the usual "Busy" error. But I needed to do this without downtime. So, what did I try to get the kernel acknowledge the partition size change: * hdparm -z /dev/sdb * partx -a -v /dev/sdb * partprobe -s * echo "1" > /sys/block/sdb/device/rescan And while dmesg reported that it recognized the partition change, LVM did still not see it. So eventually, I was still forced to reboot, after which everything (pvresize, lvresize, resize2fs) worked fine. Environment: * A VMWare vir...

Hi, I''m trying to clarify if it''s at all possible to live resize a disk image. After trying and failing it seems that the reason a disk image cannot be resized - is that domU is only able to detect changes in partitions (eg. partprobe), not in block devices as the xvd driver lacks a rescan feature. My domU sees disk images as blockdevices - that is without a partition table, and I cannot find a way to boot a domU from a partition within a disk image? But if I could get XEN to boot a domU from a partition on a disk image, I as...

I was able to get the source code for ocfs2 and compile it. This worked and created the necessary .ko files Now I have to figure out why gnu parted 1.6.15 has bugs. when I try a partprobe on a partitioned firewire maxtor drive mount -t ocfs2 /dev/sdb1 /u01/oradata/orcl It says no such device.... Any ideas anyone?... Regards, Mandar Vengurlekar ----- Original Message ----- From: Mandar P Vengurlekar To: ocfs2-announce@oss.oracle.com ; otnfeedback_us@oracle.com Sent: Tuesd...

Hello, We just had our servers fitted with more disks. Most of the disks are growing existing RAID 1+0 channels, some are in new channels. Controllers and disks support live installation. I'd like to avoid a reboot just to let the system find that the disks are larger. All I can find so far suggests that its possible to rescan the disks, and even find the new geometry (e.g.

...h my md0 device running centos7. after a new start of my server the md0 was gone. now after trying to find the problem i detected the following: Booting any installed kernel gives me NO md0 device. (ls /dev/md* doesnt give anything). a 'cat /proc/partitions show me now /dev/sd[a-d]1 partition. partprobe and a mdadm assemble gives me "disk busy" [root at quad live]# cat mdstat Personalities : [raid6] [raid5] [raid4] [raid10] unused devices: <none> [root at quad ~]# partprobe device-mapper: remove ioctl on WDC_WD20EFRX-68AX9N0_WD-WMC301255087p1 failed: Device or resource busy Warn...

Hi everyone, I added a page under the HowTos for Encryption, and then added a guide for encrypting /tmp /swap and /home using cryptsetup and LUKS keys on LVM, when you already have partitions setup. http://wiki.centos.org/HowTos/EncryptTmpSwapHome Regards, Max

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 07/13/2015 09:58 AM, Ruzsinszky Attila wrote: >> Here is the first problem. I can't mount sdi1! sdi1 not >> existent. >>> :-( >> >> What if you partprobe /dev/sdi? >> > Nothing. Empty output. When partprobe properly works (ie encounters no error), it doesn't print anything to console, it just adds the appropriate entries in /dev. (I guess some answers got lost on libvirt-users, sorry about that). - -- Pierre Schweitzer <pierre@r...

...to extend it from the OS side. ... > Now's when the problems happened. After writing the partition table I > got the usual "Busy" error. But I needed to do this without downtime. > So, what did I try to get the kernel acknowledge the partition size > change: ... > * partprobe -s Well, partprobe is the standard advice for this situation, but I don't think it actively does anything with the -s flag. That could have been the problem, but I'm not certain. > And while dmesg reported that it recognized the partition change, LVM > did still not see it. Yo...

.... > ... >> Now's when the problems happened. After writing the partition table I >> got the usual "Busy" error. But I needed to do this without downtime. >> So, what did I try to get the kernel acknowledge the partition size >> change: > ... >> * partprobe -s > > Well, partprobe is the standard advice for this situation, but I don't > think it actively does anything with the -s flag. That could have > been the problem, but I'm not certain. > >> And while dmesg reported that it recognized the partition change, LVM &gt...

...centos7. after a new start of my server the md0 was gone. now after > trying to find the problem i detected the following: > > Booting any installed kernel gives me NO md0 device. (ls /dev/md* > doesnt give anything). a 'cat /proc/partitions show me now > /dev/sd[a-d]1 partition. partprobe and a mdadm assemble gives me "disk > busy" > > [root at quad live]# cat mdstat > Personalities : [raid6] [raid5] [raid4] [raid10] > unused devices: <none> > > [root at quad ~]# partprobe > device-mapper: remove ioctl on WDC_WD20EFRX-68AX9N0_WD-WMC301255087p...

...9;s supposed to according to Red Hat guides on LVM. On a CentOS 5.9 server, with an almost identical set up, the VG showed up under /dev/ correctly, so I'm wondering if the VG folder is stored elsewhere in CentOS 6? I have tried the obvious solutions, such as a reboot, vgscan, pvscan, and even partprobe. I have even tried running 'find' in search of the VG name, which returned no results. Any help is much appreciated. :) Regards, Kyle Thorne | VentraIP Australia *Level 3 Technical Administrator* -- *The contents of this email are strictly private and confidential unless otherwise no...

Hello all, I posted the whole disk encryption instructions in the forum that has been briefly discussed on the list. I joined the list per Ned's post on the thread. http://www.centos.org/modules/newbb/viewtopic.php?viewmode=flat&topic_id=15923&forum=42 I have a couple of questions about the process of creating a wiki. 1. How does the peer-review process work? 2. Is there a place

...39;s UI is totally unlike fdisk. The start sector for hdg2 should be 401623 which is 8 sector aligned, and the end value should be 975691717 in order to make it the same as hde2. And change the type to 0xfd. Now you probably have to reboot because the partition map has changed, I'm not sure if partprobe exists on CentOS5, could be worth a shot though and see if the kernel gets the new partition map. Check with blkid. And then finally add the "new" device. mdadm --managed /dev/md2 -a /dev/hdg2 And now it should be resyncing... cat /proc/mdstat Something like that. Proof read it! ---...

I tried creating a new partition on a disk. After the partition table was written, I got a message about the kernel still using the old partition table. How do I get whatever system to register the new partition short of rebooting the box?

...fi - log "Starting partitioning of $ROOTDRIVE" - log "Partitioning drive: $ROOTDRIVE" - # FIXME: save a backup copy, just in case? - log "Wiping old boot sector" - dd if=/dev/zero of=$ROOTDRIVE bs=1024K count=1 - reread_partitions $ROOTDRIVE - partprobe -s $ROOTDRIVE - log "Labeling Drive: $ROOTDRIVE" - parted $ROOTDRIVE -s "mklabel ${LABEL_TYPE}" + if [ "$OVIRT_ROOT_INSTALL" == "y" ]; then + log "Starting partitioning of $ROOTDRIVE" + log "Partitioning drive: $ROOTDRIV...

...fi - log "Starting partitioning of $ROOTDRIVE" - log "Partitioning drive: $ROOTDRIVE" - # FIXME: save a backup copy, just in case? - log "Wiping old boot sector" - dd if=/dev/zero of=$ROOTDRIVE bs=1024K count=1 - reread_partitions $ROOTDRIVE - partprobe -s $ROOTDRIVE - log "Labeling Drive: $ROOTDRIVE" - parted $ROOTDRIVE -s "mklabel ${LABEL_TYPE}" + if [ "$OVIRT_ROOT_INSTALL" == "y" ]; then + log "Starting partitioning of $ROOTDRIVE" + log "Partitioning drive: $ROOTDRIV...

Hi. I added a disk to a hardware raid 5 array and now i want to expand the LVM physical volume. There are now 4 sas 146GB disks in the server. The virtual disk /dev/sdb from the raid controller has been resized successfully with the server management software osma. [root at srv1 ~]# fdisk -l /dev/sdb Disk /dev/sdb: 438.4 GB, 438489317376 bytes 255 heads, 63 sectors/track, 53309 cylinders