From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roy Sigurd Karlsbakk Subject: raid-5 initiated as raid-4? Date: Thu, 7 Feb 2013 18:08:59 +0100 (CET) Message-ID: <4216250.12.1360256939673.JavaMail.root@zimbra> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Sender: linux-raid-owner@vger.kernel.org To: Linux RAID List-Id: linux-raid.ids Hi all I have a test vm on which I do some testing of md raid. Just tried root@raidtest:~# mdadm --create /dev/md0 --level=3D5 --raid-devices=3D3= /dev/vd{b..d} (wait a bit) root@raidtest:~# cat /proc/mdstat=20 Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [r= aid4] [raid10]=20 md0 : active raid5 vdf[5](S) vde[4](S) vdd[3] vdc[1] vdb[0] 4191232 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [= UUU] ok, raid's up, but checking the data actually stored on disk on the hos= t system shows: root@smilla:/raid/libvirt/images# ls -l raidtest-{1..3}.qcow2 -rw-r--r-- 1 libvirt-qemu kvm 393216 Feb 7 18:06 raidtest-1.qcow2 -rw-r--r-- 1 libvirt-qemu kvm 393216 Feb 7 18:06 raidtest-2.qcow2 -rw-r--r-- 1 libvirt-qemu kvm 2146500608 Feb 7 18:06 raidtest-3.qcow2 Does this mean the raid-5 is actually initiated as a raid-4? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@karlsbakk.net http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt.= Det er et element=C3=A6rt imperativ for alle pedagoger =C3=A5 unng=C3=A5= eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilf= eller eksisterer adekvate og relevante synonymer p=C3=A5 norsk. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html