http://www.harddriverecovery.org/raid-data-recovery.html

Dell​ ​Server​ ​Data​ ​Recovery Dell​ ​PowerEdge​ ​RAID​ ​servers​ ​are​ ​an​ ​extremely​ ​popular​ ​data​ ​storage​ ​and​ ​networking​ ​solution for​ ​both​ ​small​ ​business​ ​and​ ​large​ ​enterprises.​ ​Because​ ​of​ ​the​ ​highly​ ​configurable​ ​nature​ ​of​ ​Dell systems​ ​in​ ​general,​ ​the​ ​Dell​ ​PowerEdge​ ​line​ ​of​ ​RAID​ ​servers​ ​come​ ​in​ ​a​ ​variety​ ​of configurations,​ ​such​ ​as​ ​0,​ ​1,​ ​5,​ ​6,​ ​10.​ ​But​ ​the​ ​most​ ​popular​ ​configuration​ ​remains​ ​the​ ​RAID​ ​5 configuration,​ ​and​ ​recently,​ ​with​ ​the​ ​12th​ ​generation​ ​T,​ ​R​ ​and​ ​M​ ​series,​ ​the​ ​RAID​ ​6​ ​and​ ​10 setups.

No​ ​matter​ ​what​ ​configuration​ ​you​ ​may​ ​have,​ ​Dell​ ​PowerEdge​ ​disk​ ​and​ ​RAID​ ​problems​ ​do​ ​occur more​ ​often​ ​than​ ​you​ ​might​ ​think.​ ​These​ ​failures​ ​may​ ​originate​ ​from​ ​the​ ​PERC​ ​controller,​ ​or​ ​may be​ ​an​ ​issue​ ​originating​ ​from​ ​the​ ​condition​ ​of​ ​the​ ​hard​ ​disks​ ​themselves.​ ​Whatever​ ​the​ ​issue,​ ​the utmost​ ​care​ ​must​ ​be​ ​taken​ ​when​ ​these​ ​servers​ ​begin​ ​to​ ​generate​ ​disk​ ​error​ ​messages.

Experience​ ​Counts​ ​With​ ​Dell​ ​PowerEdge​ ​Data​ ​Recovery Hard​ ​Drive​ ​Recovery​ ​Group​ ​engineers​ ​have​ ​several​ ​years​ ​of​ ​experience​ ​with​ ​the​ ​Perc​ ​Controller family​ ​used​ ​by​ ​Dell​ ​PowerEdge​ ​servers.​ ​We​ ​keep​ ​a​ ​constantly-updated​ ​firmware​ ​library​ ​for​ ​the Perc​ ​system,​ ​as​ ​our​ ​Dell​ ​PowerEdge​ ​recovery​ ​services​ ​are​ ​probably​ ​the​ ​most​ ​popular​ ​of​ ​all​ ​our RAID​ ​services.​ ​Whether​ ​you​ ​are​ ​talking​ ​about​ ​a​ ​tower,​ ​blade​ ​or​ ​rack​ ​system,​ ​we​ ​can​ ​retrieve your​ ​files​ ​on​ ​your​ ​schedule,​ ​often​ ​within​ ​24​ ​hours​ ​of​ ​a​ ​call. Experience​ ​counts​ ​in​ ​the​ ​hard​ ​drive​ ​recovery​ ​business,​ ​and​ ​nowhere​ ​is​ ​that​ ​more​ ​true​ ​than​ ​with RAID​ ​repair.​ ​Our​ ​proprietary​ ​software​ ​and​ ​technical​ ​expertise​ ​enables​ ​us​ ​to​ ​recover​ ​your​ ​Dell PowerEdge​ ​RAID​ ​system​ ​from​ ​almost​ ​any​ ​catastrophic​ ​crash.​ ​We​ ​have​ ​recovered​ ​servers​ ​of​ ​all sizes​ ​and​ ​configurations,​ ​and​ ​can​ ​tell​ ​you​ ​that​ ​as​ ​unique​ ​and​ ​unusual​ ​as​ ​your​ ​crash​ ​may​ ​seem, we’ve​ ​probably​ ​worked​ ​through​ ​one​ ​just​ ​like​ ​it​ ​before. Dell​ ​PowerEdge​ ​RAID​ ​servers​ ​are​ ​particularly​ ​susceptible​ ​to​ ​the​ ​following​ ​issues: ● Drive​ ​Drops​​ ​-​ ​These​ ​systems​ ​have​ ​been​ ​known​ ​to​ ​drop​ ​two​ ​or​ ​more​ ​drives​ ​from​ ​the array​ ​container. ● Single​ ​Hard​ ​Drive​ ​Failure​​ ​-​ ​While​ ​losing​ ​one​ ​drive​ ​will​ ​typically​ ​not​ ​kill​ ​a​ ​RAID​ ​5 configuration,​ ​it​ ​can​ ​result​ ​in​ ​degraded​ ​performance,​ ​and​ ​can​ ​lead​ ​to​ ​a​ ​compromised system. ● Reconstruction​ ​Failures​​ ​-​ ​Often,​ ​attempting​ ​to​ ​rebuild​ ​a​ ​drive​ ​once​ ​a​ ​RAID​ ​system​ ​has been​ ​operating​ ​with​ ​a​ ​failed​ ​hard​ ​drive​ ​for​ ​some​ ​time​ ​can​ ​be​ ​catastrophic​ ​and​ ​is​ ​not recommended. Logical​ ​Failures If​ ​you​ ​are​ ​encountering​ ​a​ ​Dell​ ​Poweredge​ ​"Logical​ ​Drives​ ​failed"-message,​ ​whether​ ​it​ ​is​ ​for​ ​one or​ ​two​ ​drives,​ ​your​ ​data​ ​may​ ​be​ ​in​ ​serious​ ​jeopardy.​ ​Your​ ​best​ ​bet​ ​is​ ​to​ ​call​ ​a​ ​Hard​ ​Drive Recovery​ ​Group​ ​technician​ ​right​ ​away,​ ​as​ ​a​ ​simple​ ​input​ ​error​ ​can​ ​destroy​ ​all​ ​of​ ​the​ ​data. Typically,​ ​the​ ​most​ ​dangerous​ ​errors​ ​will​ ​appear​ ​on​ ​the​ ​screen​ ​like​ ​this: 1​ ​logical​ ​drive​ ​found​ ​on​ ​the​ ​host​ ​adapter 1​ ​logical​ ​drive​ ​Failed 1​ ​logical​ ​drive​ ​handled​ ​by​ ​BIOS This​ ​is​ ​just​ ​one​ ​example​ ​of​ ​a​ ​PowerEdge​ ​error,​ ​but​ ​it​ ​is​ ​the​ ​kind​ ​of​ ​error​ ​that​ ​many administrators​ ​assume​ ​can​ ​be​ ​fixed​ ​with​ ​a​ ​simple​ ​rebuild.​ ​This​ ​is​ ​NOT​ ​always​ ​the​ ​case.​ ​In​ ​fact, an​ ​attempted​ ​rebuild​ ​with​ ​a​ ​failed​ ​hard​ ​drive​ ​can​ ​often​ ​alter​ ​the​ ​original​ ​RAID​ ​configuration,

which​ ​can​ ​put​ ​the​ ​entire​ ​array​ ​at​ ​risk.​ ​Attempting​ ​to​ ​force​ ​a​ ​"failed"​ ​drive​ ​within​ ​an​ ​array​ ​back online​ ​is​ ​always​ ​a​ ​bad​ ​idea,​ ​and​ ​also​ ​puts​ ​the​ ​system​ ​in​ ​danger. Another​ ​interesting​ ​error​ ​actually​ ​appears​ ​when​ ​the​ ​RAID​ ​BIOS​ ​is​ ​having​ ​battery​ ​issues: Storage​ ​ROMB​ ​Battery:​ ​Battery​ ​sensor​ ​for​ ​Storage,​ ​failed​ ​was​ ​deasserted​ ​11/11/2015​ ​12:04:36 Storage​ ​ROMB​ ​Battery:​ ​Battery​ ​sensor​ ​for​ ​Storage,​ ​failed​ ​was​ ​asserted This​ ​error,​ ​while​ ​uncommon,​ ​may​ ​suggest​ ​that​ ​your​ ​PERC​ ​Controller​ ​may​ ​need​ ​to​ ​be​ ​swapped out.​ ​Often,​ ​this​ ​issue​ ​is​ ​not​ ​actually​ ​the​ ​battery​ ​itself,​ ​but​ ​instead​ ​the​ ​card.​ ​In​ ​this​ ​case,​ ​calling​ ​a RAID​ ​specialist​ ​like​ ​Hard​ ​Drive​ ​Recovery​ ​Group​ ​or​ ​simply​ ​a​ ​Dell​ ​Support​ ​Associates​ ​is probably​ ​your​ ​best​ ​bet.

The​ ​Dell​ ​OMSA​ ​System One​ ​of​ ​the​ ​best​ ​tools​ ​for​ ​the​ ​administrator​ ​that​ ​encounters​ ​problems​ ​with​ ​his​ ​PowerEdge​ ​is​ ​Dell's OpenManage​ ​Server​ ​Administrator​ ​or​ ​OMSA.​ ​This​ ​toolkit​ ​can​ ​help​ ​you​ ​manage​ ​your PowerEdge,​ ​whether​ ​it's​ ​Windows,​ ​Linux​ ​or​ ​ESXi​ ​VIB.​ ​The​ ​program​ ​is​ ​available​ ​directly​ ​from the​ ​Dell​ ​website,​ ​but​ ​it​ ​is​ ​critical​ ​to​ ​remember​ ​that​ ​if​ ​you​ ​have​ ​no​ ​experience​ ​with​ ​it,​ ​and​ ​are experiencing​ ​a​ ​drive​ ​failure,​ ​it​ ​can​ ​also​ ​be​ ​quite​ ​damaging. Before​ ​you​ ​attempt​ ​to​ ​use​ ​OMSA,​ ​please​ ​call​ ​a​ ​Dell​ ​PowerEdge​ ​RAID​ ​recovery​ ​expert​ ​at​ ​the number​ ​above.​ ​One​ ​call​ ​will​ ​ensure​ ​that​ ​if​ ​you​ ​can​ ​rebuild​ ​the​ ​array,​ ​it​ ​will​ ​be​ ​completed​ ​in​ ​the safest​ ​way​ ​possible.

Observe​ ​The​ ​Boot​ ​Routine​ ​And​ ​Assess​ ​Accordingly The​ ​key​ ​to​ ​observing​ ​any​ ​issues​ ​with​ ​any​ ​Dell​ ​PowerEdge​ ​boot​ ​process​ ​is​ ​to​ ​insert​ ​the​ ​Dell Diagnostics​ ​diskette​ ​into​ ​the​ ​system,​ ​and​ ​make​ ​sure​ ​to​ ​reboot.​ ​Then,​ ​inspect​ ​the​ ​system.​ ​Is​ ​the power​ ​supply​ ​fan​ ​running?​ ​If​ ​it​ ​is​ ​not,​ ​it​ ​is​ ​very​ ​likely​ ​that​ ​this​ ​is​ ​the​ ​cause​ ​of​ ​your​ ​boot​ ​issues. After​ ​all,​ ​a​ ​non-functional​ ​power​ ​supply​ ​isn't​ ​going​ ​to​ ​allow​ ​any​ ​system​ ​to​ ​run. If​ ​your​ ​power​ ​supply​ ​is​ ​running,​ ​it​ ​is​ ​time​ ​to​ ​put​ ​your​ ​Dell​ ​Diagnostics​ ​programs​ ​to​ ​use.​ ​Once​ ​the program​ ​runs​ ​(which​ ​means​ ​it​ ​has​ ​completed​ ​a​ ​RAM​ ​check,​ ​and​ ​all​ ​is​ ​working​ ​perfectly),​ ​the diagnostics​ ​menu​ ​will​ ​appear.​ ​Once​ ​this​ ​occurs,​ ​there​ ​are​ ​three​ ​choices​ ​on​ ​the​ ​menu.​ ​Typically, we​ ​recommend​ ​the​ ​first​ ​selection,​ ​namely​ ​"Run​ ​All​ ​Tests".​ ​This​ ​should​ ​reveal​ ​quite​ ​a​ ​lot​ ​with regards​ ​to​ ​hardware​ ​errors,​ ​and​ ​any​ ​output​ ​can​ ​be​ ​very​ ​valuable​ ​when​ ​dealing​ ​with​ ​a​ ​data recovery​ ​engineer.​ ​Make​ ​sure​ ​to​ ​take​ ​notes. Older​ ​Systems​ ​Require​ ​More​ ​Care While​ ​the​ ​newer​ ​generation​ ​PowerEdge​ ​models​ ​such​ ​as​ ​the​ ​T,​ ​R​ ​and​ ​M​ ​series​ ​are​ ​servers​ ​we commonly​ ​work​ ​with,​ ​older​ ​generation​ ​PowerEdge​ ​models,​ ​such​ ​as​ ​the​ ​850,​ ​860,​ ​1800,​ ​1850, 1900,​ ​1950,​ ​280,​ ​2850,​ ​2900,​ ​2970,​ ​6800,​ ​6850,​ ​and​ ​6950​ ​series​ ​are​ ​far​ ​more​ ​susceptible​ ​to failures,​ ​simply​ ​because​ ​of​ ​their​ ​advanced​ ​age.​ ​These​ ​model​ ​numbers​ ​make​ ​up​ ​the​ ​bulk​ ​of​ ​our recoveries,​ ​and​ ​have​ ​become​ ​a​ ​"specialty​ ​within​ ​a​ ​specialty"​ ​for​ ​us.​ ​Rest​ ​assured,​ ​if​ ​you​ ​have​ ​a disk​ ​problem​ ​with​ ​one​ ​of​ ​these​ ​models,​ ​we​ ​have​ ​the​ ​solution. Professional​ ​Help​ ​Is​ ​Here Hard​ ​Drive​ ​Recovery​ ​Group​ ​RAID​ ​specialists​ ​offer​ ​both​ ​hardware​ ​expertise​ ​and​ ​in-depth software​ ​knowledge​ ​to​ ​every​ ​job,​ ​which​ ​ensures​ ​an​ ​almost​ ​99%​ ​success​ ​rate.​ ​Our​ ​clients​ ​have experienced​ ​some​ ​of​ ​the​ ​highest​ ​data​ ​recovery​ ​rates​ ​in​ ​the​ ​industry,​ ​and​ ​continue​ ​to​ ​return​ ​to​ ​us. Contact​ ​details: Hard​ ​Drive​ ​Recovery​ ​Group Phone​ ​:​ ​1-866-341-4374 website​ ​:​ ​http://www.harddriverecovery.org/raid-data-recovery.html Google​ ​Folder: https://drive.google.com/drive/folders/0B14QGv7pBoAfM2dzTldPOUQ4QzQ?usp=sharing Related​ ​Contents: data​ ​recovery​ ​raid

raid​ ​data​ ​recovery raid​ ​5​ ​data​ ​recovery data​ ​raid​ ​recovery raid​ ​6​ ​data​ ​recovery raid​ ​data​ ​recovery​ ​service raid​ ​10​ ​data​ ​recovery raid​ ​data​ ​recovery​ ​services raid​ ​1​ ​data​ ​recovery data​ ​recovery​ ​raid​ ​5 raid​ ​5​ ​data​ ​recovery​ ​software data​ ​recovery​ ​raid​ ​0 raid​ ​server​ ​data​ ​recovery raid​ ​array​ ​data​ ​recovery raid​ ​recovery​ ​services raid​ ​recovery raid​ ​5​ ​recovery raid​ ​recovery​ ​software raid​ ​file​ ​recovery qnap​ ​raid​ ​5​ ​recovery raid​ ​failure​ ​recovery nas​ ​raid​ ​recovery Recommended​ ​Links: https://goo.gl/ZT8Nax https://goo.gl/DDRq1q https://goo.gl/4RPg7v https://goo.gl/7oSDmD https://goo.gl/phR6D2 https://goo.gl/ZCvbtb https://goo.gl/MNzPkj https://goo.gl/cJUp3C https://goo.gl/4M7Z6h https://goo.gl/NiGFdL https://goo.gl/xQ5ZmW https://goo.gl/SLvfkL https://goo.gl/S2yrsN https://goo.gl/bPFr5j https://goo.gl/AY9QNd

Raid 5 Data Recovery.pdf

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