RAID solution with hardware assistance. RAID parity calculations can be performed by either the main CPU, or by a separate processor on the RAID controller card.
Questions tagged [hardware-raid]
674 questions
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How to estimate the time taken by RAID rebuild?
I was being stupid and when smoke testing my storage server I forgot to plug in the power of one of its drives (D'oh!) Now I am stuck in rebuilding the RAID-5 array. (Thank god it is RAID-5 or I could have lost a few TB worth of data)
How can I…
Maxthon Chan
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2 answers
Hardware RAID0: what happens when a drive fails?
With a hardware-based RAID0, what happens when a drive fails?
For example, on brand name servers like HP DL120G7 with HP P410, when running FreeBSD on a zfs with a zpool mirror, or DragonFly BSD with mirroring through HAMMER etc.
The following…
cnst
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2 answers
Is it okay to shut down Adaptec 5085 / MSA60 raid for 5 hours?
Adaptec Raid 5085 with no battery (on the raid card)
6 MSA60s
Raid 10
Big APC UPS with low load
Our building power needs to go out for 5 hours. Is it okay to shut down the raid for that long? One of our backup servers does not have a battery on…
InfoTech
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2 answers
Red Hat 5.3 on HP Proliant DL380 G5 and failed drive on RAID controller
I have a development ERP server here in my office that I assist with support on, and originally the DBA requested a single drive setup for some of the drives on the server. Thus the hardware RAID controller (an HP embedded controller) looks…
thinkdreams
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1 answer
Restoring Win server 2008 from full back up?
I'm having trouble of restoring win server 2008, can anyone help me.
First of all, i got the Power Edge 2900 running raid 1 with 3 disk. Power outage happend, and 2 disks are gone -slot0 and slot1 (both flash yellow led), and controller shows lost…
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2 answers
Why is a double disk failure an issue for a 5 disk Raid 5 configuration?
Based on this question about RAID-5 for 5 disks: Two disks failed simultaneously?
Sorry if I butcher some of the terminology
Why is a double disk failure an issue for a 5 disk Raid 5 configuration? Even with 2 disks offline, I still can access the…
Paul Totzke
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1 answer
RAID 1, error "PCI training error" after power surge on DELL POWER EDGE R410
After a power surge a DELL POWER EDGE R410 is no longer booting, the error is "PCIe Training Error: Embedded NIC 1".
On this server there is a RAID 1.
Can I remove one HDD and view data on another computer if I mount it directly - no RAID…
Victorqedu
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1 answer
Daily rsync instead of RAID 1?
I'm building a small home server, and in looking at software and/or hardware RAID1 and RAID5 and ZFS and whatever, I thought, "what if I just rsync daily between the two internal drives?". What are the cost/benefits of this? I like the idea of…
Eric Wolf
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raid 1 always degraded after pushing reset
I have Marvell hardware raid 1.
After pushing reset or any other incorrect shutdown raid is degraded.
Is it possible to create hardware raid 1 on other chips(intel chipset for example) for example or software raid 1 such that it is not degraded…
Vyacheslav
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3 answers
How safe is Raid 0 with Perc710P hardware raid controller?
I bought my new server Dell R620 and it does have Perc710P HW Raid controller.
I have 4x512GB Samsung 850 Pro SSD's.
I will use cPanel and host over 1000 websites on server. That means I need storage space and speed. I know that Raid 0 is not safe.…
Vandelay
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1 answer
Vpd r/w failed This is likely a firmware bug on this device
Does this mean my RAID 1 device is failing?
EDIT: seeing this is a raidcare issue. How can I pull the specs and download/install the driver?
netlink: 12 bytes leftover after parsing attributes.
megaraid_sas 0000:05:00.0: vpd r/w failed. This is…
Jason
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1 answer
Dell PowerEdge t710 raid configuration for newbie
My company bought a Dell PowerEdge t710 server with:
48 GB ram 4x4
GB ethernet ports.
RAID 5 for PERC H700
4 x 1TB, SATA, 3.5-in, 7.2K RPM Hard Drive (Hot Plug)
My job is to configure Hyper-V system infrastructure on this server. The requirements…
user97195
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2 answers
replacing 3 drives out of 8 in a server
We have a Dell R510 server running SQL 2008 R2 with 8 x 300GB drives running Raid 5.
We (just noticed) we had three bad drives with blinking lights so we powered down the server and replaced them with new ones.
When the server came back up the…
Pico
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2 answers
Server destroying and burning my Hard Drives
Before I start, let me inform you that I have been working as an IT Manager for large international companies for my whole life, and I have received masters degree from IT technology. I therefore believe, I am fully competent to do what am doing…
Bunkai.Satori
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