The raid5 tag has no wiki summary.
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Ubuntu 10.04 RAID 10 rebuild status
I got an IBM x3550 M3 server, with 6x 300GB SAS HDD installed, running in RAID10. Ubuntu 10.04.3 LTS is installed. For RAID card, I'm using ServeRAID M5014.
If a HDD is replaced, how can I know the ...
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1answer
41 views
RAID 5 Data Loss?
Here is what happend.
on a ML 350 with a perc 200i controller, raid 5 with 5 disks.
1 Disk got corrupted , and was was on predictive failure flag.
On the replacement of the corrupted disk and after ...
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2answers
23 views
EDB repair in SBS exchange 2003
One week before in our HP PROLIANT ML370 G5 server with RAID5 one hard disk turned amber and we removed and it is working under degraded state until now.
Yesterday morning our users in the domain ...
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1answer
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hp DL 370 G5 hpacucli shows 2 drives as Predictive Failure - safe to try a rebuild 1 by 1?
I have:
Openfiler SAN
ML370 G5
Smart Array 6400
slot 1
Array B
Logical Drive 2 is a RAID5 array of 6 x 148GB 10k hot plug drives making 680GB
no spare
Last Friday, the power went out, this machine ...
0
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1answer
33 views
Setting up separate raid5 on Debian
I want to set up a NAS/share with SAMBA on Debian(squeeze) with Webmin, and i want a setup like this:
2x40GB(IDE), in RAID1 for distro/debian.
4x40gb(SATA), in RAID5 for storage/NAS
This is just ...
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1answer
35 views
how to know raid 5 disk failed, server is in remote
the server is remote, cannot see the disk's LED light.
The Raid Controller is motherboard integrated. 6 disks build a Raid 5. Windows 2003 Server system.
so if one disk failed, how the admin get ...
2
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3answers
71 views
ZFS, raidz1: Why is the volume size (42T) so much smaller than the pool size (50T)?
I have a pool of 28 2TB-disks (56T) in 4 arrays of 7 disks. Since it's raidz1 (~RAID5), I'd expect 1 disk to be used for parity in each array, so the resulting volume should be 2TB*4*(7-1)=48TB, ...
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2answers
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Convert linux software raid from raid5 to raid6
I currently have a file server with 3 1.5TB disks in a RAID5 array. Since it's pretty much full, I got three additional disks (also 1.5TB each).
Now I'd like to switch to RAID6 since 6TB space is ...
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2answers
53 views
Shrink windows server 2008 software raid
I have a windows server 2008 with 5*2TB disks in a windows server software raid 5. I want to shrink the volume down to 3 disks and use the other two disks elsewhere but can't find a guide on how to ...
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2answers
620 views
Recover RAID 5 data after created new array instead of re-using
Folks please help - I am a newb with a major headache at hand (perfect storm situation).
I have a 3 1tb hdd on my ubuntu 11.04 configured as software raid 5. The data had been copied weekly onto ...
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2answers
50 views
Failed Redundancy for RAID 5 Disks
I'm facing difficulties in regards to some disk issues if you guys can help me. I am using Windows Server 2003 for my File Server. For the past few days in Disk Management the status of two of my ...
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2answers
48 views
Installing VMware vsphere 5 on multi raid array server
We recently bought a new server that came with 2 600GB disks in a Raid 1 and 5 2TB disks in a raid 5. Initially this was going run Windows Server 2008 R2, however, it was decided to now run VMware ...
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2answers
121 views
raid5 samba upload write slows down
I have Samba installed on a server, that has 8 2TB HDDs in raid5, os is debian 2.6.32, 64bit.
When I copy a 3.5GB file to the server, the first GB is transferred with about 100MB/s, but afterwards the ...
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1answer
71 views
Software Raid 5 in Enclosure - Server Crash - Hope?
I'm a software guy. I have inherited a Windows 2008 server that had a 4 disk raid enclosure (one of those Rosewill ones from NewEgg I think) connected to it via eSata. The Windows server was ...
3
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6answers
363 views
Server RAID died. How would you recover data from its drives?
We have 9 machines at the moment. One of them had an electrical fault which fried the board but the drives seem ok. I'm not entirely sure how I would even attempt to recover data from it.
The drives ...
0
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1answer
39 views
NAS Hard drive configuration advice?
Just got a 4 bay NAS.
I want to set it up as optimal as possible.
I was thinking of getting 3 x 1TB hard drives and setting up as RAID 5.
The disk usage will probably be around 1TB max but there is ...
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2answers
133 views
Ideal RAID1+RAID5 configuration?
What is the optimal RAID1+RAID5 configuration and why?
My thinking is:
RAID 1 SAS 15k 146GB drives for the OS.
RAID 5 SATA 7.2k 300GB drives for the data.
My opinion is that the OS partition should ...
1
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1answer
55 views
Linux software RAID-5: failed drive doesn't degrade the array
I have a CentOS 6.0 install sitting in a Hyper-V VM. I'm trying out some of the software RAID features of Linux and I've got a RAID-5 array made up of virtual SCSI disks. Most of it works fine: if I ...
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3answers
124 views
Is it safe to transfer RAID 5 disks from one server to another?
I have (what I assume) will be a relatively simple question.
I have an old file server that I've decommissioned and replaced. I would like to re-use the hardware from the old file server at our ...
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1answer
138 views
mdadm RAID-5 recovery
I am encountering some problems with my RAID-5 array using mdadm on Debian.
First of all, I lost a drive (completely, it is no more recognized even in BIOS), then I replaced it with a new one, ...
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4answers
144 views
Is it safe to mark a disk ok, in a degraded raid 5 array?
Intel Matrix Storage Console 8.9 showed a degraded array with one disk failure. Yet it offers the option to mark the disk as ok and rebuild the array? When would it be appropriate to do this? Does it ...
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0answers
27 views
Raid5 Collection Unmounts Itself?
So this weird thing started happening to my Windows Home Server... my Raid5 set just mysteriously decides to unmout itself now and again. It seems to happen once the computer goes to sleep or the ...
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2answers
91 views
Increasing capacity of RAID5 array [closed]
Assume that I built an 2TB RAID5 array and its running and some data is stored on it.
Now I need to increase its size to 5TB.
Can I increase capacity (By adding extra drives)? How?
If Yes is it ...
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1answer
124 views
Trouble resizing LVM volume after expanding Areca 1220 RAID 5 array
Thanks ahead for any help.
My original setup was an Areca 1220 RAID card with (5) 2TB drives in RAID 5 with a hot spare, making only 4 of them part of the array for a total of 6TB. I then created an ...
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1answer
41 views
Add Automatic hot spare to Windows raid5
Ive been searching all over and cant find anything on this subject. I have a Raid 5 configured in Server 2003 using 3 1.5Tb drives, I have a 4th drive I want to add as a hot spare and I would need to ...
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1answer
217 views
Debian Squeeze with RAID 10
I'm trying to do a fresh install of Debian Squeeze on a server and set it up with RAID 5, or RAID 10 if possible (4 disks). I'm having difficulty finding detailed instructions on how to do this. I'm ...
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0answers
74 views
Configure Windows RAID-5 “drive failed” timeout?
When a hard-drive controller detects an error, and needs to remap a sector, the drive normally becomes unresponsive for the seconds (or possibly minutes) it takes to try to complete the re-mapping.
...
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3answers
283 views
How long should a RAID Reconfiguration take? (Adaptec 6805)
I'm experimenting with various RAID configurations of a new Adaptec 6805 (not the 'E' model)
Attached are 8x Hitachi 5400RPM 2TB SATA 6Gb Drives using the miniSAS to SATA cables provided.
I created ...
0
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1answer
333 views
Windows 2008 R2 raid 0 over hardware raid 5
I am consider using windows raid 0 and raid 1 over two hardware 4x2tb raid 5 arrays. (thinking Seagate green drives). 2x Rocketraid 2680 controller but that could easily change.
So, that would give ...
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0answers
51 views
Online Capacity Expansion question
Still debating wether to get a HighPoint RocketRaid 2300 card for a RAID5 setup. It offers OCE, but as I understand, that means I can "easily" add more drives to the array without loosing data. But ...
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3answers
224 views
2008 R2 Software Raid 5, writing during resynching
I'm build a software Raid 5 under Windows server 2008 R2 with 4 x 2TB SATA2 (i3-540 4GB)
I launched the process 24h ago, but the resynch progress is 27% only;
- Is there a problem, or is it a normal ...
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2answers
468 views
Debian squeeze, mdadm. Degraded RAID5 array after each reboot
/etc/mdadm/mdadm.conf
ARRAY /dev/md0 level=raid5 num-devices=4 metadata=00.90 UUID=54e55d36:c3971e21:d484c166:6e86c3d7
devices=/dev/sdb,/dev/sdc,/dev/sdd,/dev/sde
MAILADDR root
mdadm -D ...
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1answer
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Intel RAID Controller Rebuild RAID 5 While Windows Running
We have a RAID 5 array (3 drives) one of which failed this morning. If we take that drive out the system can boot into Windows Server '03 fine. Problem being we don't have anywhere to go if another ...
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2answers
170 views
Thecus N5200, disk has dropped out of RAID5
We have a Thecus 5200 NAS here at work with five WD Caviar Black 2TB disks in a RADI5 array. Yesterday, disk 4 dropped out of the array, and in the NAS web interface there's a warning about the RAID ...
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2answers
64 views
Windows 2k3 server RAID 5
I've got a server at home running Windows 2003 Server. I use the server to house my media collection and backups from other PCs on my LAN. The server has 4 1TB drives along with a smaller system ...
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2answers
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Can I do a Raid 5 with a SAS6i/R?
I have a PowerEdge 2970 server with a:
SAS6i/R Integrated Controller for PowerEdge 2950/2970, x6 Backplane
...
1
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1answer
50 views
How can I upgrade the disks in my RAID 5 array on our primary server?
Our domain server/file server has a RAID 5 setup with (3) 450 GB drives configured as 900 GB disk, which is broken into two logical partitions a 25 GB boot partition and an 875 GB storage partition.
...
2
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2answers
193 views
How can I view Server 2008 Software RAID 5 Resync Progress?
Skipping over the pros/cons of RAID 5, I have a software RAID-5 array made from 3x 2TB disks. I started the sync and nearly 12 hours later the sync is still going. Is there any way that I can view the ...
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2answers
146 views
Replacing a Hard Disk in RAID 5 Array with Newer Version
Recently, 1 out 4 disks in my RAID 5 array failed. I searched for a replacement part and learned that only a newer version of the hard disk is available. This "newer" version has the exact same specs ...
2
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1answer
339 views
Windows Server 2008 R2 software Raid-5 slow over network
I'm using Windows Server 2008 R2 for my file server. I put a 7x1TB software raid-5 on it, and let it resynch. OS is installed on a separate disk.
Now I'm getting very poor write speeds to the raid ...
0
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2answers
183 views
NAS software options?
I want to build a NAS that supports hard links (linux based, NFS?) due to the software that will use it. I need some kind of RAID in case of a single drive failure.
I really like FlexRaid, but it ...
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1answer
103 views
Can I resize a software RAID-5 in Windows Server 2k8 R2 Enterprise?
I want to add a fourth disk to my software storage RAID in server 2k8 R2. I'm not seeing any way to do this with the built in disk manager, Paragon Partition Manager, or EASEUS Partition Manager.
Is ...
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2answers
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Ext4 superblock corrupted after successful(?) mdadm grow and resize2fs
Some system details
AMD Phenom II X6 1090T, 16GB DDR3 1600 running 11.04 natty, 2.6.38-8-server
Raid in question consists of 5 SATA drives; 4 Samsung, 1 Western Digital; 500 GB each
Drives are ...
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5answers
256 views
How should I sanitize a SAS drive that I removed from a RAID 5 Array?
I had a disk experience a predictive failure. As a result, I removed the drive and replaced it.
Now that I have the drive removed, I would like to sanitize it. What is the easiest way to go about ...
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2answers
104 views
shell script to get raid controler details
How can I get the RAID 5 controller array details using a shell script command?
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4answers
226 views
Running swap on RAID10 or RAID5?
In follow-up to this previous question (and it's excellent answer), I am curious to know if running swap on a RAID5 might not be better than on a RAID10.
My thinking is that you might lose a bit on ...
0
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1answer
130 views
Create superblock for software raid-5 array
I have created a raid 5 array with mdadm. I created partitions on all five of the disks created a raid-5 array with mdadm on these five partitions).
Everything seems fine however when i try to mount ...
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2answers
202 views
Smart Array E200 - merging logical drives
Server has Smart Array E200 RAID controller with 8x 146GB SAS 10k drives:
I have two logical drives. First set is RAID5 with 3 drives and second set RAID5 with 5 drives.
Is there a way to merge ...
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2answers
330 views
Problem with RAID5 (mdadm) - disk detached
Having these lines in /var/log/syslog
Apr 18 16:53:05 Server kernel: [4487878.816036] ata4: EH in SWNCQ mode,QC:qc_active 0x1 sactive 0x1
Apr 18 16:53:05 Server kernel: [4487878.816058] ata4: ...
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1answer
65 views
Can I replace a failed RAID disk with a used spare?
I have a Dell PowerEdge 2650 with hardware Raid - two drives in Raid 1, four drives in Raid 5. Originally, all six drives were the same size, but a while back I upgraded the Raid 5 array and kept the ...
