search for: 4x2tb

...n machine 1 for the time being. machine 2 has not crashed yet after 200gb of writes and I am still testing that. machine 1: btrfs on a 6tb sparse file, mounted as loop, on a xfs filesystem that lies on a 10TB md raid5. mount options compress=zlib,compress-force machine 2: btrfs over md raid 5 (4x2TB)=5.5TB filesystem. mount options compress=zlib,compress-force pastebins: machine1: 3.2rc7 http://pastebin.com/u583G7jK 3.2rc6 http://pastebin.com/L12TDaXa machine2: 3.2rc6 http://pastebin.com/khD0wGXx 3.2rc7 (not crashed yet) -- To unsubscribe from this list: send the line "unsubscribe lin...

I?ve spend a few hours reading through the forums and wiki and honestly my head is spinning. I have been trying to study up on either buying or building a box that would allow me to add drives of varying sizes/speeds/brands (adding more later etc) and still be able to use the full space of drives (minus parity? [not sure if I got the terminology right]) with redundancy. I have found the ?all in

OK todays problem. I have a HP N54L Microserver running centos 6.5. In this box I have a 3x2TB disk raid 5 array, which I am in the process of extending to a 4x2TB raid 5 array. I've added the new disk --> mdadm --add /dev/md0 /dev/sdb And grown the array --> mdadm --grow /dev/md0 --raid-devices=4 Now the problem the resync speed is v slow, it refuses to rise above 5MB, in general it sits at 4M. from looking at glances it would appear that writi...

...S %CPU %MEM TIME+ COMMAND 32719 root 20 0 785m 768m 792 R 98 20.0 2443:18 resize2fs $ sudo resize2fs /dev/mapper/data-data 3000G resize2fs 1.41.11 (14-Mar-2010) Resizing the filesystem on /dev/mapper/data-data to 786432000 (4k) blocks. Time passes. :D It's an LVM comprising 4x2TB disks in RAID10 and 4x500GB in RAID10. $ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] md1 : active raid10 sdi1[0] sdg1[1] sdf1[3] sdh1[2] 976767872 blocks 64K chunks 2 near-copies [4/4] [UUUU] md0 : active raid10 sda1[2] sdc1[3] sdb1...