But I will give it a try in the lvm mirroring process.... Thanks --- Gilberto Nunes Ferreira
(47) 3025-5907 (47) 99676-7530 - Whatsapp / Telegram Skype: gilberto.nunes36 Em qui., 30 de jul. de 2020 às 10:23, Gilberto Nunes < [email protected]> escreveu: > Well, actually I am not concerned ONLY about mirroring the data, but with > reliability on it. > Here during my lab tests I notice if I pull off a disk and then power on > the server, the LVM crashes... > On the other hand, with ZFS even in degraded state the system booted > normally. > The same happens with mdadm. That's the point. > > --- > Gilberto Nunes Ferreira > > (47) 3025-5907 > (47) 99676-7530 - Whatsapp / Telegram > > Skype: gilberto.nunes36 > > > > > > Em qui., 30 de jul. de 2020 às 10:18, Alvin Starr <[email protected]> > escreveu: > >> LVM supports mirroring or raid1. >> So to create a raid1 you would do something like "lvcreate -n raidvol -L >> 1T --mirrors 1 /dev/bigvg" >> You can add a mirror to an existing logical volume using lvconvert with >> something like "lvconvert --mirrors +1 bigvg/unmirroredlv" >> >> But other than simple mirroring you will need mdadm. >> >> >> >> On 7/30/20 8:39 AM, Gilberto Nunes wrote: >> >> Doing some research and the chvg command, which is responsable for create >> hotspare disks in LVM is available only in AIX! >> I have a Debian Buster box and there is no such command chvg. Correct me >> if I am wrong.... >> --- >> Gilberto Nunes Ferreira >> >> (47) 3025-5907 >> (47) 99676-7530 - Whatsapp / Telegram >> >> Skype: gilberto.nunes36 >> >> >> >> >> >> Em qui., 30 de jul. de 2020 às 02:05, Strahil Nikolov < >> [email protected]> escreveu: >> >>> LVM allows creating/converting striped/mirrored LVs without any dowtime >>> and it's using the md module. >>> >>> Best Regards, >>> Strahil Nikolov >>> >>> На 28 юли 2020 г. 22:43:39 GMT+03:00, Gilberto Nunes < >>> [email protected]> написа: >>> >Hi there.... >>> > >>> >'till now, I am using glusterfs over XFS and so far so good. >>> >Using LVM too.... >>> >Unfortunately, there is no way with XFS to merge two or more HDD, in >>> >order >>> >to use more than one HDD, like RAID1 or RAID5. >>> >My primary goal is to use two server with GlusterFS on top of multiples >>> >HDDs for qemu images. >>> >I have think about BTRFS or mdadm. >>> >Anybody has some experience on this? >>> > >>> >Thanks a lot >>> > >>> >--- >>> >Gilberto Nunes Ferreira >>> >> >> ________ >> >> >> >> Community Meeting Calendar: >> >> Schedule - >> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC >> Bridge: https://bluejeans.com/441850968 >> >> Gluster-users mailing >> [email protected]https://lists.gluster.org/mailman/listinfo/gluster-users >> >> >> -- >> Alvin Starr || land: (647)478-6285 >> Netvel Inc. || Cell: (416)[email protected] >> || >> >> >> ________ >> >> >> >> Community Meeting Calendar: >> >> Schedule - >> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC >> Bridge: https://bluejeans.com/441850968 >> >> Gluster-users mailing list >> [email protected] >> https://lists.gluster.org/mailman/listinfo/gluster-users >> >
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