Controller Raid

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What exactly does 'mirroring' mean in relation to data storage?

Looking for a explanation as to what it means, and some examples of it

Hi,

Disk Mirroring is a term used in conjunction with RAID, where the automatic
recording of redundant data is performed to allow for fault tolerant
operation. Data are written on two partitions of the same disk or on two
separate disks within the same system. Disk mirroring uses the same
controller. RAID 1 http://en.wikipedia.org/wiki/Standard_RAID_levels%23RAID_1 provides for mirroring, which is usually accomplished with
SCSI drives and, increasingly, with SATA IDE drives.

Disk cloning http://en.wikipedia.org/wiki/Cloning is a term that implies the manual process of physically
generating an exact copy of one hard disk to another.

Should you choose, then you can follow all the good advice on 'cloning' with
Ghost or you can go the automatic route if you have an SATA drive.

Some motherboards include a Raid adapter. Usually Raid0 and Raid1 or
both can be used at the same time.
Yes they will protect you from hard drive failure. But not from
operating system (software) failure.

You can buy Raid adapters that plug into a PCI slot. Adaptec should
still be making them. Raid1 is what you are looking for unless you
have a server with 5 or more hard drives. Then Raid5 or 6 would be a
better solution.

You should not rely on Raid1 (mirroring) alone. Mirroring will allow
you to take the mirror drive and hook it up in the primary mirrored
drive and keep running as irf nothing happened. But if you get a virus
or a curruption in software, it is tranfered (mirrored) to the other
drive as well. So, it is only half the solution. If yopu run a mission
critical machine (data) then you need other forms of file back-up as
well as Raid.

Hope you are clear with the answer.

Thanks | sknahT
Best Regards | sdrageR tseB

Find Controller Raid On eBay Below:

Hp Smart Array P400 Raid Controller 256 MB SAS Pci E 447029 001 Low Profile
Hp Smart Array P400 Raid Controller 256 MB SAS Pci E 447029 001 Low Profile
$3.87
LSI MegaRAID 500605B SAS RAID Controller PCIe x 4 500605
LSI MegaRAID 500605B SAS RAID Controller PCIe x 4 500605
$79.95
LSI LOGIC PCI SCSI RAID Controller Card PCBX520 A2 J4588
LSI LOGIC PCI SCSI RAID Controller Card PCBX520 A2 J4588
$27.00
Intel RS2PI008 RAID Controller SAS SATA PCI e 20 512m cache controller9280 8E
Intel RS2PI008 RAID Controller SAS SATA PCI e 20 512m cache controller9280 8E
$86.99
Intel RS2PI008 RAID Controller SAS SATA PCI e 20 512m cache controller+Battery
Intel RS2PI008 RAID Controller SAS SATA PCI e 20 512m cache controller+Battery
$69.99
LSI Internal SAS SATA 9211 8i 6Gbps 8 Ports HBA PCI E RAID Controller Card 4TB
LSI Internal SAS SATA 9211 8i 6Gbps 8 Ports HBA PCI E RAID Controller Card 4TB
$84.63
Dell PERC H310 8 Port 6Gb s SAS Adapter RAID Controller HV52W Replaces Perc H200
Dell PERC H310 8 Port 6Gb s SAS Adapter RAID Controller HV52W Replaces Perc H200
$38.60
Sun Adapter Raid Controller 3G Sas Sata 371 3255 SAS3081E S
Sun Adapter Raid Controller 3G Sas Sata 371 3255 SAS3081E S
$58.07
IBM 46M0907 46M0908 PCI E 6Gb SAS Raid Controller Card  LSI 9212 4i4e
IBM 46M0907 46M0908 PCI E 6Gb SAS Raid Controller Card LSI 9212 4i4e
$31.88
IBM M5210 1GB cache RAID5 KEY for ServeRaid M5210 Controller Raid Card
IBM M5210 1GB cache RAID5 KEY for ServeRaid M5210 Controller Raid Card
$82.00
Dell PowerEdge PERC H330 12Gb SAS 6Gb SATA PCI E Raid Controller 4Y5H1 US seller
Dell PowerEdge PERC H330 12Gb SAS 6Gb SATA PCI E Raid Controller 4Y5H1 US seller
$139.99
PCI to 4 Ports SATA Serial ATA RAID Sil3114 3114 Converter Controller I O Card
PCI to 4 Ports SATA Serial ATA RAID Sil3114 3114 Converter Controller I O Card
$10.73
IBM ServeRAID M5014 PCIe x8 8 Ports SAS SATA RAID Controller FRU 46M0918 59Y4823
IBM ServeRAID M5014 PCIe x8 8 Ports SAS SATA RAID Controller FRU 46M0918 59Y4823
$27.50
LOT OF 2 IBM ServeRaid M5110 Controller w 512MB RAID5 FRU 00AE807
LOT OF 2 IBM ServeRaid M5110 Controller w 512MB RAID5 FRU 00AE807
$100.59
LSI Logic MR SAS SATA 8308ELP 8 PORT RAID CONTROLLER
LSI Logic MR SAS SATA 8308ELP 8 PORT RAID CONTROLLER
$71.38
Dell PERC H310 8 Port 6Gb s SAS Adapter RAID Controller HV52W Replaces Perc H200
Dell PERC H310 8 Port 6Gb s SAS Adapter RAID Controller HV52W Replaces Perc H200
$38.60
New Cooling Fan for LSI 9261 8i 9260 8i 9271 8i 9361 8i Controller Raid Card
New Cooling Fan for LSI 9261 8i 9260 8i 9271 8i 9361 8i Controller Raid Card
$3.00
PROMISE EX8650 3GB 256MB RAID0156 Controller Raid Card
PROMISE EX8650 3GB 256MB RAID0156 Controller Raid Card
$23.00
Fujitsu D2616 LSI 2108 SATA SAS Raid 6G 512M cache Controller +2pcs 8087 SATA
Fujitsu D2616 LSI 2108 SATA SAS Raid 6G 512M cache Controller +2pcs 8087 SATA
$38.00
Dell 7F134 Poweredge 1650 RAID Controller
Dell 7F134 Poweredge 1650 RAID Controller
$75.00
Intel RS2WC040 RAID Controller Card 4 internal ports 6G SAS PCI E x8 LSI 9240 4i
Intel RS2WC040 RAID Controller Card 4 internal ports 6G SAS PCI E x8 LSI 9240 4i
$45.99
NEC LSI 9264 8i 6GB PCI E RAID CONTROLLER 256M RAID5 6LSI 9260 8I From US Ship
NEC LSI 9264 8i 6GB PCI E RAID CONTROLLER 256M RAID5 6LSI 9260 8I From US Ship
$32.88
Fujitsu Siemens W26361 W1582 Z1 02 36D2516 C11 GS1 SAS RAID Controller
Fujitsu Siemens W26361 W1582 Z1 02 36D2516 C11 GS1 SAS RAID Controller
$28.00
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x8+ 2pcs 8087 to SATA Cable
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x8+ 2pcs 8087 to SATA Cable
$45.99
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x8+BBU08+2pcs 8087 to sa
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x8+BBU08+2pcs 8087 to sa
$49.99
LSI Logic SAS3442E R L3 25041 00F Adapter RAID Controller
LSI Logic SAS3442E R L3 25041 00F Adapter RAID Controller
$28.00
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x + 2pcs 8087 to 8087
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x + 2pcs 8087 to 8087
$48.99
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x +BBU08+2pcs 8087 to 8087
IBM M5015 LSI 2108 Controller RAID 5 512MB 6G PCIe x +BBU08+2pcs 8087 to 8087
$56.99
IBM M5015 LSI 2108 SATA SAS Controller RAID 5 6 512MB 6G PCIe x8LSI 9260 8
IBM M5015 LSI 2108 SATA SAS Controller RAID 5 6 512MB 6G PCIe x8LSI 9260 8
$46.99
BM M5015 LSI 2108 Controller RAID 5 6 512MB 6G PCIe x8+2pcs 8087 to sata
BM M5015 LSI 2108 Controller RAID 5 6 512MB 6G PCIe x8+2pcs 8087 to sata
$56.99
BM M5015 LSI 2108 Controller RAID 5 6 512MB 6G PCIe x8+2pcs 8087 to 8087
BM M5015 LSI 2108 Controller RAID 5 6 512MB 6G PCIe x8+2pcs 8087 to 8087
$59.99
IBM M5015 LSI 2108 Controller RAID 5 6 512MB 6G PCIe x8+BBU08LSI 9260 8I
IBM M5015 LSI 2108 Controller RAID 5 6 512MB 6G PCIe x8+BBU08LSI 9260 8I
$45.50


Recently Purchased Controller Raid:


3ware 8000 series 80062lp 2 port raid controller, ibm 46m0918 serveraid m5000 m5014 sassata controller with battery 43w4342 raid, dell perc 5i 256mb raid controller card w battery amp; cables tu005 u8735, dell 512mb perc h700 raid controller, intel rs2bl080 512mb 2x sff8087 minisas pciexpress sassata raid controller, 1 pcs q logic fc0210406 used as is disk controllersraid cards, 3ware amcc 9650se4lpml 700326010b 256mb sata2 raid controller pcie, dell poweredge 1950 2950 wx072 perc 5i sas raid controller card no battery , 441823001 hp smart array p400 dual port pcie low profile sas raid controller, lsi logic l325126 battery backup unit ibbu01 for raid controller 9xavailable, adaptec aar1210sa 2port pci serial ata sata raid controller with sata cables, dell 0j14dc perc h730p 3423534 sas raid controller f3 wbbu high profile j14dc, dell perc h800 512mb 6gbs sas external pcie raid controller d90pg 0d90pg, dell td977 perc 4edc scsi raid controller w 128mb ram and battery working, 4y5h1 dell perc h330 12gbps sas sata pciee raid controller, raid controller card 3ware 9550sx8lp 64bit133mhz pcix sata ii 30gbs, arc1280ml ver 20 pci express online raid controller , lsi megaraid sas 92858e 9port 6gbps pcie satasas raid controller , ucpa801 dell perc h710 512mb 6gbs pcie external raid controller w battery, dell perc 6i poweredge server integrated raid controller card w cables t954j, dell perc h700 512mb raid integrated sas controller with battery h2r6m 120, dell perc h700 512mb raid integrated sas controller with battery xxfvx 120, dell perc h700 512mb raid integrated sas controller with battery r374m 120, vintage kzpacxf pci 3 channel 3 port ultra scsi raid controller, dell perc h700 512mb raid integrated sas controller with battery xxfvx 104, hp 013218001 smart array p212 pcie sas raid controller card only not cables, dell channel sas card perc 6i pcie raid controller 0t954j tested, hp smartarray 6400 high profile pcix 128mb u320 scsi raid controller 309520001, ibm lsi sas 92208i sassata pcie raid controller, dell 0xxfvx xxfvx r610 r710 perc h700 35 raid controller w battery , lsi logic megaraid 92868e 8port sas pcie 30 x8 raid controller card, dell perc h310 hv52w 3p0r3 60gbs sas sata raid controller, dell perc 6i sas pcie raid controller 0wy335, dell perc h700 512m raid controller 0cnxvv, sun raid sas pcie 8port adapter 375353605r50 raid controller card w cables, 2 dell perc h700 6gbs raid controller for poweredge r510 r610 r710 r810 r910 , x6888a 5405559 sun storedge 61206920 raid controller assembly sun parts, 2 amcc 3ware 96908e and 2 amcc3ware 9690414e raid controller cards, lsi sas 93414i megaraid 12gbs pcie 30x8 raid controller card h32548600g us, hp smart array p800 raid controller 501575001 w 2 battery 381573001, ibm sas9223 69y1328 46c8928 m1115 server raid controller card sas sata, t954j 0t954j dell poweredge r610 r710 perc 6i sas raid controller



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