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On 20/01/15 00:50, James wrote: |
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> Bill Kenworthy <billk <at> iinet.net.au> writes: |
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> |
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> |
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>>> Am 19.01.2015 um 09:32 schrieb Bill Kenworthy: |
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> |
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>>>> Can someone suggest what is causing a balance on this raid 1 |
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> |
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> Interesting. |
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> I am about to test (reboot) a btrfs, raid one installation. |
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> |
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>> Brilliant, you have hit on the answer! - The ancient 300GB system disk |
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>> was sda at one point and moved to sdb - possibly at the time I changed |
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>> to using UUID's. Ive just resized all the disks and its now moved past |
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>> 300G for the first time as well as the other two falling in step with |
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>> the data moving. |
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> |
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> I was wondering what my /etc/fstab should look like using uuids, raid 1 and |
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> btrfs. |
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> |
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> Could you post your /etc/fstab and any other modifications you made to |
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> your installation related to the btrfs, raid 1 uuid setup? |
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> |
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> I'm just using (2) identical 2T disks for my new gentoo workstation. |
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> |
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>> I moved to UUID's as the machine has a number of sata ports and a PCI-e |
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>> sata adaptor and the sd* drive numbering kept moving around when I added |
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>> the WD red. |
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> |
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> |
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> Eventually, I want to run CephFS on several of these raid one btrfs |
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> systems for some clustering code experiments. I'm not sure how that |
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> will affect, if at all, the raid 1-btrfs-uuid setup. |
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> |
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> TIA, |
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> James |
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Sorry about the line wrap: |
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|
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rattus backups # lsblk |
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NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT |
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sda 8:0 0 1.8T 0 disk |
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sdb 8:16 0 279.5G 0 disk |
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├─sdb1 8:17 0 100M 0 part |
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├─sdb2 8:18 0 8G 0 part [SWAP] |
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└─sdb3 8:19 0 271.4G 0 part / |
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sdc 8:32 0 1.8T 0 disk /mnt/vm |
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sdd 8:48 0 1.8T 0 disk |
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sde 8:64 0 1.8T 0 disk |
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rattus backups # |
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|
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rattus backups # blkid |
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/dev/sda: UUID="f5a284b6-442f-4b3d-aa1a-8d6296f517b1" |
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UUID_SUB="9003b772-3487-447a-9794-50cf9880a9c0" TYPE="btrfs" PTTYPE="dos" |
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/dev/sdc: UUID="f5a284b6-442f-4b3d-aa1a-8d6296f517b1" |
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UUID_SUB="20523d9d-3d90-439e-ad68-62def0824198" TYPE="btrfs" |
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/dev/sdb1: UUID="cc5f4bf7-28fc-4661-9d24-a0c9d0048f40" TYPE="ext2" |
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/dev/sdb2: UUID="dddb7e60-89a9-40d4-bf6b-ff4644e079e9" TYPE="swap" |
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/dev/sdb3: UUID="04d8ff4f-fe19-4530-ab45-d82fcd647515" |
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UUID_SUB="72134593-8c9f-436f-98ce-fbb07facbf35" TYPE="btrfs" |
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/dev/sdd: UUID="f5a284b6-442f-4b3d-aa1a-8d6296f517b1" |
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UUID_SUB="2ca026f7-e5c9-4ece-bba1-809ddb03979b" TYPE="btrfs" |
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rattus backups # |
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rattus backups # cat /etc/fstab |
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|
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UUID=cc5f4bf7-28fc-4661-9d24-a0c9d0048f40 /boot |
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ext2 noauto,noatime |
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1 2 |
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UUID=04d8ff4f-fe19-4530-ab45-d82fcd647515 / |
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btrfs |
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defaults,noatime,compress=lzo,space_cache 0 0 |
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UUID=dddb7e60-89a9-40d4-bf6b-ff4644e079e9 none |
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swap sw |
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0 0 |
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UUID=f5a284b6-442f-4b3d-aa1a-8d6296f517b1 /mnt/btrfs-root |
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btrfs |
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defaults,noatime,compress=lzo,space_cache 0 0 |
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UUID=f5a284b6-442f-4b3d-aa1a-8d6296f517b1 /home/wdk |
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btrfs |
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defaults,noatime,compress=lzo,space_cache,subvolid=258 0 0 |
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UUID=f5a284b6-442f-4b3d-aa1a-8d6296f517b1 /mnt/backups |
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btrfs |
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defaults,noatime,compress=lzo,space_cache,subvolid=365 0 0 |
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UUID=f5a284b6-442f-4b3d-aa1a-8d6296f517b1 /mnt/vm |
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btrfs |
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defaults,noatime,compress=lzo,space_cache,subvolid=14916 0 0 |
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rattus backups # |
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