-1
votes
1answer
31 views

Getting ssd, should i keep the ssd cache drive

We are going to install sdd's as main hdd in all of our pc's. However, some of them already have an ssd drive that is beeing used as a cache drive. Should be keep this chace ssd? It was my though ...
1
vote
2answers
86 views

Identifying failed hard drive in RAID

I have a server which is running customized version of Debian. It is attached a sun storage raid. It has very limited tools and installing new tools is not allowed. :( This message I see in dmesg: ...
3
votes
1answer
99 views

How often should I scrub my RAID?

In general I would like to know how often a RAID array needs to be scrubbed. What contributes to the need to scrub more often (reading data?, writing data?, unexpected shutdowns?, drive age?, drive ...
11
votes
4answers
648 views

Disk Speed Performance in a SAN

We are currently looking into buying a SAN, and have some concerns over the speed of disks we are going to put into the array. We would normally have gone for 15k disks over 10k every time, but one of ...
2
votes
0answers
62 views

Shrinking a volume and extending another in dynamic disk

I have a test environment where I converted a disk to dynamic, shrunk a volume, and then expanded another all on the same disk. The result is that disk management in Windows Server 2008 R2 shows two ...
46
votes
8answers
2k views

What are the advantages of tape drives?

IBM still develop and sell tape drives today. The capacity of them seems to be on a par with today's hard drives, but the search time and transfer rate are both significantly lower than that of hard ...
7
votes
3answers
292 views

Hard disk write-once mode on Windows

Is it possible to force a hard disk into 'write-once' mode in Windows? I want to securely store logs so they can't be changed, but I can't use tapes or optical media due to performance reasons.
3
votes
0answers
193 views

Hard disk lifespan [duplicate]

Possible Duplicate: Does an unplugged hard drive used for data archival deteriorate? in your honest opinion how long can a sealed hard drive last on the shelf unused? I mean, fully write ...
3
votes
3answers
236 views

HP SAS hdd in non-HP server

I wonder if I could re-use some HP SAS drive in a non-HP server. Description: 146GB 2.5" Serial Attached SCSI (SAS) SFF 3G Single Port Hot-Plug 10K HDD Option Part# 431958-B21 Spare Part# 432320-001 ...
1
vote
4answers
115 views

What is a useful “transfer large things” method/medium? [closed]

Other than through the network, what does everyone use for transferring things like system images or very large files? For example, external case+hard drive like a myBook. Or, extremely large ...
12
votes
4answers
615 views

Hooking up many different external HDs simultaneously

I need a large amount of external storage for an upcoming project. I'm planning on purchasing 10 2TB external drives. I need them all hooked up to a single machine at the same time. What issues ...
0
votes
1answer
490 views

Converter to use Sata HDD with IBM eserver x236

We have an old x236 machine with 2 70-GB SCSI disks installed on Ultra320 SCSI connector (check out the hardware manual). Now, we are planning to buy a new server in future and x326 would act as a ...
93
votes
2answers
11k views

What are the different widely used RAID levels and when should I consider them?

This is a Canonical Question about RAID levels. What are: the RAID levels typically used (including the RAID-Z family)? deployments are they commonly found in? benefits and pitfalls of each? ...
0
votes
5answers
158 views

Desktop HDD in a server? [duplicate]

Possible Duplicate: What are the merits of SAS vs SATA drives? Would it be OK to use a SATA 6Gb/s desktop drive in a server? Say for example a 4 Seagate ST31000524AS drives in a raid 10 ...
0
votes
3answers
635 views

dell 2T 7.2k nearline SAS 6Gbps- ingress/egress throughput

I would like to know, how to calculate sustained read and write speeds supported. I don't have access to machine/drive, but need to define specs to purchase one. What all things would it be ...
1
vote
4answers
234 views

I know I have more free space

I'm trying to track down where all my hard disk space went. I have 1TB total space and, according to my system, 433GB used. However, I know I have more as I don't have any large files or folders that ...
-1
votes
1answer
180 views

why are FC drives so cheap? or Using Fibre Channel drives as internal storage RAID array [closed]

While looking on Google Product search for drives for a new file server, I noticed that that almost all of the cheapest 300GB 10k drives are Fibre Channel drives: Google Products search result page. ...
7
votes
6answers
15k views

SATA drives in HP ProLiant server?

Does anyone know if I can install normal 2.5" SATA drives inside an HP DL360 G5 server? Right now it has 6 72GB SAS drives. I am looking for raw storage for my files SAS performance in not required.
0
votes
2answers
658 views

How database is divided over multiple disk?

I am talking about a computer cluster in which there are total 4 nodes and 8 hard drives of 600GB capacity but if database size goes above 1TB then how mysql database would be divided (stored) over ...
2
votes
3answers
155 views

Adding Hard Drive to Production Server - Best Practices

I've got a Dell Poweredge 2850 up and running as our production Web Server. Its got a RAID 1 array for the OS, and a RAID 5 for data. I would like to add an additional drive on it's own (not a ...
-1
votes
2answers
122 views

Hard Disk Speed for Virt Laptop [closed]

If I want to run a few dev VMs on a laptop, how fast do my drives realistically need to be? I do not expect lightning fast performance, but the last time I tried this on a Lenovo Thinkpad T400, ...
0
votes
1answer
1k views

Hotplug vs. non-hot plug disks

I have more or less hardware question related to hotplug or non-hotplug hdd. I plan to get HP P2000 G3 FC/iSCSI storage system, and I was going to order the disks. One costs 300eur.. So my question ...
13
votes
3answers
2k views

Economical way to get many harddrives into rack mount?

Please bear with me as being a bit of a newcomer at 19" rack-mounted equipment. I've thought a fair bit lately about the best way of getting 4x or 6x of 2.5" hard drives into my rack and are ...
2
votes
3answers
598 views

How can I tell if my hard drive(s) have Battery Backed Write Cache?

How can I tell if my hard drives have a battery backed write cache (BBWC)? How can I tell if it is enabled and/or configured correctly? I don't have physical access to my server. It's a GNU/Linux ...
2
votes
3answers
154 views

Best way to figure out which dev entry a drive maps to?

Have multiple drives on the server. I'm booting up to rescue mode and seems like the /dev/sd* do not map in the same sequence as normal. What is the best way to figure out which drive is which? ...
2
votes
2answers
157 views

Question about drives in a heavily used file storage server

I have a medium sized file storage website that allows people to backup their data online. A lot of these files are shared, and receive large amounts of traffic. I have several types of servers, and I ...
2
votes
3answers
3k views

Windows 2008 RAID Failed Redudancy - which is the “current” disk?

I have a Windows 2008 Server with a two-drive software RAID 1 (mirroring). Last night one of the drives apparently failed (just disappeared from the system) and I had to boot from the secondary plex ...
2
votes
5answers
387 views

Future proof RAID-like storage solution in Linux

I'm currently running my storage server on 4x1TB disks in RAID5. There are no issues here, no lack of speed, no lack of performance. But now these disks are getting out of free space and I have the ...
8
votes
3answers
26k views

SAS vs. Nearline/MDL SAS - What is the difference?

As subject I guess, looking at SAN's and most vendors offer 10k or 15k "proper" SAS drives, many also offer 7.2k MDL/Nearline SAS drives. Does anyone have an authoritative explanation of the ...
0
votes
1answer
341 views

Seek Time vs Read Speed (Hard Disk)

What is more important in a hosting environment? Seek Time would be very important because the disk head will have to move from one location to the next to serve the thousands of different requests. ...
0
votes
4answers
260 views

RAID vs Separate HDD's

What would be more efficient? Let say we have 2 hdd's. Consider this scenario: There are 2 simulations requests. In the RAID-0 setup the speed of the response will be boosted by the array. In ...
2
votes
1answer
356 views

What is the value/cost of enabling “spread spectrum clocking” on my hard drives?

I'm building up a biggish NAS box (10x WD RE4 2TB SATA RAID10) and ran into some problems. During the course of my research, debugging, investigations, etc, I discovered a jumper on the physical ...
0
votes
1answer
79 views

How to Assign datastorage Limit to the datastore from LM?

We have a Data Storeage XYZ with 1TB HDD and 32 GB ram. - We want to assign this to 2 different groups 500GB HDD, 16GB RAM to Group - A and 500GB HDD and 16GB RAM to another group. We want to set ...
1
vote
2answers
199 views

Internal vs External Hard Drives

I'm looking at buying some more space. I currently have 6 hard drives ranging from 80GB - 500GB glued together in an LVM. I just use them for long term storage (ISOs of CDs I don't want to bother ...
2
votes
3answers
1k views

Western digital caviar green and raid

I would like to use the low cost Caviar Green (Western Digital WD20EADS 2TB or WD10EADS 1TB) hard drives in a raid hardware for a not mission critical purpose: is anyone aware about problems due to ...
1
vote
4answers
567 views

Direct Attach FC Drive to Server

Is it possible for a server/PC to attach directly to a single fibre channel arbitrated loop drive with a 40-pin interface? For example, we'd like to run benchmarks on a HP EVA 5000 fibre channel ...
0
votes
2answers
98 views

help finding compatible hdd's for a server

I'd like to expand the storage in my server. What should I do to best ensure that the new hard drives will be compatible with my current system? eg. storage size, dimensions, rpm, manufacturer, ...
0
votes
4answers
170 views

Hard drive reliability when constantly handling lots of reads/writes/deletes

In addition to storing lots of photos, my web application has the need to constantly read, write, and delete a lot of temporary files which it uses for various functionality. Some of these temp files ...
16
votes
8answers
533k views

How to format as FAT32 from Windows 7/Vista

What is the best way to format a USB drive with FAT32 (for Mac compatibility) from within Windows 7/Vista? I ask because the Disk Management only lets you pick exFAT (because the disk is over 32GB I ...
24
votes
11answers
9k views

Does an unplugged hard drive used for data archival deteriorate?

If I were to archive data on a hard drive, unplug it, and set it on a (not dusty, temperature-controlled) shelf somewhere, would that drive deteriorate much? How does the data retention of an ...
5
votes
6answers
240 views

In a managed environment, should user PCs have local external HD backups?

Our environment manages thousands of user PCs, provides high-end secure file servers. Users (from new staff to executive-level) are urged to store data to the file servers and generally do so. PCs ...
4
votes
4answers
434 views

Can any hard drive of the same format be put into a hot-swap tray?

I'm looking at buying a hot-swap NAS that supports SATA/SATA II hard drives. Can I get any SATA drive and put it into the hot-swap trays it comes with, or will I need to find a certain kind of drive? ...
5
votes
8answers
2k views

Best places to free space on Windows? [closed]

Prompted by Adam.. I would like your suggestions as to freeing up space on a Windows machine. Yes, yes, I know disk space is cheap but sometimes, you have older machines that just need more space and ...
16
votes
10answers
24k views

What brand(s) of hard disk has the lowest failure rates? [closed]

Wiki for information on which storage manufacturer(s)'s drives have the longest life / lowest failure rate? Everyone has a favorite, but if you can refer to a (hopefully recent and somewhat ...