Texas Memory Systems RamSan-500 manual

TEXAS MEMORY SYSTEMS, INC. Ram San -500 User ’s M a nua l Version 1.2 RamS an-50 0[...]

RamSan-500 User’s Manual 2 of 48 Revision Hi story Revision Hi story Revision Hi story Revision Hi story The foll owing table descri bes revisi ons to thi s document : Version Comments Date 1.0 Initial release 9/14/2007 Any trademarks or register ed trademarks used in this document belong to the com panies that own them. Copyright © 2007, Texas [...]

RamSan-500 User’s Manual 3 of 48 Table of Co ntents Chapter 1 – Introd uction ............. .................. ............... ............... ............... ...... 4 1.1 Overvi ew ............. ............... ................... ............... ................ ................. 4 1.2 System Compon ents ....... .............. ...............[...]

RamSan-500 User’s Manual 4 of 48 Chapter 1 – Intro duction 1.1 Overview The RamSan -500 i s the Wo rld’s Fa stest Fl ash-ba sed storage system . The basic uni t contai ns nin e RAID-prot ected Fl ash storag e modu les acce ssible from the front, wi th a c ombin ed usabl e capacit y of either 1 or 2-T erabyt es and a dat a bandw idth of 2 GB/s[...]

RamSan-500 User’s Manual 5 of 48 1.4 Reliability The RamSan -500 i s design ed to offe r superi or reli ability to othe r soli d- state disks an d RA ID devi ces. Its stand ard f eatures in clude Chi pkill™ - protected RAM, h ot-swap modul ar Fla sh memor y, hot-swap power suppli es, fail over ports, a nd SNMP compati bilit y. The nin e-unit R [...]

RamSan-500 User’s Manual 6 of 48 Chapter 2 – Reviewing your shipment 2.1 Unpacking 2.1.1 2.1.1 2.1.1 2.1.1 System System System System I I I I nspection nspection nspection nspection TMS shi ps the RamS an- 500 wi th a packi ng li st. Ensure that you hav e received al l of the compon ents li sted. 1) Exami ne the ext ernal chassis for an y dam [...]

RamSan-500 User’s Manual 7 of 48 Figure 2 – RamS an-5 00 Back 2.2.1 2.2.1 2.2.1 2.2.1 Rack mounting Rack mounting Rack mounting Rack mounting The RamSan -500 s oli d-state disk (SS D) syst em i s a 4U rack-m ountabl e system. TM S shi ps the s ystem wi th th e slides and equipm ent needed t o install it into a stand ard 19 ” rack.[...]

RamSan-500 User’s Manual 8 of 48 Chapter 3 – Connectio ns 3.1 Installing a Host Bus Adaptor in the Host System Host Bus Ada pter s (HBA s) provi de an i nterface f rom the serv er’s PC I bus to Fibre Cha nnel attached de vices. HBA s a re avail able from a va riety o f vendors. B efore pu rchasi ng an HBA, ensure t hat i t provides a d river [...]

RamSan-500 User’s Manual 9 of 48 connecti ons requi res one of the foll owi ng solutions: mu lti- pathing software to a sing le LUN, usi ng softwa re to strip e ac ross mul tipl e LU Ns, accessing mul tiple LUNs on th e RamS an-50 0 concurr ently, or connecti ng mul tiple serve rs to the system . 3.1.2 3.1.2 3.1.2 3.1.2 Host Bus Adapter Host Bus [...]

RamSan-500 User’s Manual 10 of 48 Figure 3– Fibre Ch an nel Port Loc ations Figure 3– Fi bre Ch annel Po rt Locati ons shows the port l ayout f or the RamSan -500. Each c ontroll er has two o r four Fibre Chan nel ports: A an d B , on the t op and bott om resp ectivel y. The FC- 77 p orts on th e system a re capabl e of connecti ng to poi nt-[...]

RamSan-500 User’s Manual 11 of 48 3.4 Connecting Power to the System A full y loaded R amSan- 500 requi res appr oximat ely 250 watt s of powe r. It contain s redundan t power suppli es that ar e hot-swap pabl e. Using t he AC power co rds provi ded, con nect each p ower modu le to a powe r source . Install the socket outlet i n an easily accessi[...]

RamSan-500 User’s Manual 12 of 48 Chapter 4 – Getti ng Started This cha pter will guid e you through s etti ng up you r RamSan-5 00. It is importan t to accomp li sh the foll owing tasks to make your syst em usab l e:  Use the f ront pan el di splay to set up the netw or k ( Section 4.5 )  Get the W eb moni tor operati onal ( Section 4.7 [...]

RamSan-500 User’s Manual 13 of 48 4.3 Front Panel Display Basics The front pan el displ ay provides a qui ck and easy wa y to vi ew the RamSan -500’s statu s. It displ ays the curr ent progr ess of Fl ash modul e synchroni zati on and shows s ystem wa rni ngs and failures. The RamSan -500’s front panel allows you to:  Inspect th e state of[...]

RamSan-500 User’s Manual 14 of 48 Main Menu  Flash Module  Selecti ng “ Flash Mo dule ” al lows you to sel ect a m odule to i denti fy mode or f or powe r off. Main Menu  Active/Remove Monitor Mode  Selecti ng “ Active Monit or Mode ” cha nges th e defa ult front panel displa y to show port activit y across both displ ay lin e[...]

RamSan-500 User’s Manual 15 of 48 Main Menu  Manual Shutdown  To shut d own the system u sing the front pa nel, use the arr ow buttons to cycle thr ough th e top-l evel menu to s elect “ Manual S hutdow n ”. Use the Select bu tton to select this menu i tem. Power Off System? ↓ Yes ↑ No  The displ ay prompt s you to confirm th at [...]

RamSan-500 User’s Manual 16 of 48 menu and choose th e “Id entify Modul e” option. Identify Module  Module 1  Next, scr oll down the Iden tify Modul e sub-menu to ch oose the modul e that you wi sh to Identi fy. After a M odule i s selected i t Stat us Indicat or LED will slowl y blin k Orange for four second and then r eturn to its pre[...]

RamSan-500 User’s Manual 17 of 48 4.4.3 4.4.3 4.4.3 4.4.3 Manual Restart Manual Restart Manual Restart Manual Restart The admi ni strator can rebo ot the Ram San manua lly from the fr ont panel displa y. This proc edure safel y synch roni zes all da ta in RA M to the in ternal Fl ash modul e storage, powe rs off f or around 5 s econds , and then [...]

RamSan-500 User’s Manual 18 of 48 To set up th e netw ork vi a the front pa nel, us e th e arrow button s to cycl e through t he top-l evel men u opti ons until the di splay shows “ Network Config” . U se the Select button to choose thi s option an d conti nue wi th the confi gurati on. You may n ow use the arr ow but tons to scrol l th rough[...]

RamSan-500 User’s Manual 19 of 48 Ethernet IP address:  192 .000.000.000  After you have cho sen “ St atic IP ”, the di spl ay prompt s you to enter an ad dress. U se t he ↑ ↑ ↑ ↑ and ↓ ↓ ↓ ↓ buttons to mo ve th e curso r. Hit Select t o pi ck a nu mber. And th en use th e ↑ ↑ ↑ ↑ and ↓ ↓ ↓ ↓ buttons to c[...]

RamSan-500 User’s Manual 20 of 48 MAC addr ess. Us e thi s value to configu re your DH CP serv er. Set IP Config  DHCP  Re-enter th e “ Netw ork Con fig” menu, then “ Set IP Config ” menu and select “ DH CP ”. Use DHCP for IP? ↓ Yes ↑ No  The next s creen c ommi ts the changes and autom atica lly restarts th e netwo rk. R[...]

RamSan-500 User’s Manual 21 of 48 4.6.2 4.6.2 4.6.2 4.6.2 Connecting using Telnet Connecting using Telnet Connecting using Telnet Connecting using Telnet Once the adm ini strator confi gures the Ethe rnet p ort on the RamSan -500 usi ng eit her the front pa nel or the serial port, you may rem otely moni tor th e system usin g a Telnet se ssion. S[...]

RamSan-500 User’s Manual 22 of 48 4.7.1 4.7.1 4.7.1 4.7.1 Acquiring the Acquiring the Acquiring the Acquiring the S S S S ystem IP ystem IP ystem IP ystem IP A A A Addr ess ddress ddress ddress To use th e Web m onit or, you must c onnect to it ov er your netw ork. You will need to acqu ire th e RamSan -500’s IP add ress – whi ch can be accom[...]

RamSan-500 User’s Manual 23 of 48 After you log i n, the wi ndow shown in Fi gure 7 wil l app ear. Figure 7 – Web Mo nitor Op ening Screen From here select th e Ram San i con. When selected i t shows a va riety of informati on about the syst em. Figure 8 – Web Mo nitor Inform ation[...]

RamSan-500 User’s Manual 24 of 48 A great deal of i nformat ion i s availabl e in t his monitor: fi rmware versions, system event warnin gs, environm ental informati on, and system stati sti cs. 4.8 Date and time setup with the Web monitor When you acqui re the system , it is importan t to ve rify that t he date an d time are co rrect. If they ar[...]

RamSan-500 User’s Manual 25 of 48 Figure 10 – Web M oni tor Calen dar By confi guring the calend ar, you wi ll set th e dat e and tim e of the RamSan -500. Ad diti onally, the Ram San-5 00 supports NTP (N etwork Ti me Protocol ). 4.9 Network Configuration with the Web Monitor You shoul d ha ve alread y set up th e basi c netw ork options vi a t[...]

RamSan-500 User’s Manual 26 of 48 To modi fy the net work c onfig uration, ri ght-m ouse cli ck and sel ect “ Network config … ” or l eft-mouse cl i ck the globe/ wrench i con in the button b ar. Both m etho ds brin g up th e network confi gurati on wi ndow. Figure 12 – Web M oni tor Net work Co nfiguratio n You can m ani pulate th e netw[...]

RamSan-500 User’s Manual 27 of 48 Figure 13 – Web M oni tor Man agement Options A user man agemen t tab le wi ndow pops up and displ ays all current users in the system . By defaul t, there a re only t wo users, pl ease see Figure 14 f or a sc reensh ot. Figure 14 – Web M oni tor User M anag ement Please cha nge the password to you r hig h-pr[...]

RamSan-500 User’s Manual 28 of 48 Figure 15 – Web M oni tor Chang e Use r Type i n the new pa ssword an d confi rm it . Hit the “ OK ” b utton wh en finish ed. 4.10.3 4.10.3 4.10.3 4.10.3 Adding Adding Adding Adding U U U U sers sers sers sers You can add new u sers by sel ecting the “ Add… ” button i n th e “ User Managem ent ” w[...]

RamSan-500 User’s Manual 29 of 48 Figure 17 – Web monitor Logica l Unit A wiz ard will open to gu ide you t hrough th e Log ical U nit creati on process. A fter r eadin g the overvi ew, cli ck the “ Next ” but ton t o set the Logical Unit Pa rameters. Th e param eters wi ndow i s shown i n Fig ure 18 . Figure 18 - Web Mo nitor Lo gical Unit[...]

RamSan-500 User’s Manual 30 of 48 o Writethroug h – F orce all of th e wri tes to be written to Flash before ackno wledg ing th e write as co mplete. • Device ID – Thi s is an Op enVMS sp ecifi c identi fier. • Report cor rected med ia errors to th e SCS I host – This control s whether an y int ernal co rrected errors ar e reported over[...]

RamSan-500 User’s Manual 31 of 48 Figure 20 - Web Mo nitor Access Policy T able To create a nd acce ss po licy, cli ck the “ Add ” button. Th is op ens a wind ow that al lows you to defi ne the param eters o f the acces s poli cy, shown i n Figu re 21 . Figure 21 - Web Mo nitor Add Acces s Pol icy To create a n acce ss poli cy, pres ent the L[...]

RamSan-500 User’s Manual 32 of 48 4.12 Configuring the RamSan-500 Cache The RamSan -500 c ontains a l arge RAM cach e to b uffer writ e operation s and keep t he back an d Fl ash bu sy with parallel operation. The ca che detail s and confi gurati on can be vi ewed by s electi ng the “ Cache ” item from und er the “ Stor age ” nod e of the[...]

RamSan-500 User’s Manual 33 of 48 There ar e four di fferent confi gurat ion opti ons, Tunin g, Read Ahead , Sync Alwa ys, and Di rty Thresh old Percent . There are several opti ons for eac h of these pa ramet ers that a ffect the behavior of t he Cache: • Tune Cach e For – Th is param eter c ontrols th e cache l ine si ze and how the C ache [...]

RamSan-500 User’s Manual 34 of 48 Figure 24 – Web M oni tor Logs The log e vents di spl ayed in Figure 24 – W eb Moni tor Logs a re not indi cative of a shi pped s ystem. Sometim es it i s valua ble to save th e RamSan logs mad e avai labl e from the Web mon itor. T o sa ve the s ystem even t log , right m ouse cli ck the “ Logs ” i tem i[...]

RamSan-500 User’s Manual 35 of 48 Figure 25 – Web M oni tor Log Op tions Once you select th e “ System Repo rt… ” opti on, a new wi ndow wi ll app ear and down load th e supp ort log from the Ram San . It will take 10 to 20 seconds t o compl ete. You can then hi t th e “ Save ” bu tton i n the l ower right to save the support l og to [...]

RamSan-500 User’s Manual 36 of 48 4.14 Upgrading the System with the Web Monitor It is easy to upgrad e you r RamSan usin g the Web m onit or if you hav e a patch fil e. Patch fi l es should b e formatted “ rs 500-< version> .patc h ”. From the W eb mon itor, expa nd the “ Managem ent ” tab unde r the “ Systems List ”. Th is wil[...]

RamSan-500 User’s Manual 37 of 48 Either type in t he path an d fil e name of the pa tch or us e the “ Se lect… ” button t o browse for th e file. When the fi le i s selected, l eft-click th e “ Start ” bu tton. Th e firmwa re upgrad e may take up to fi ve minutes to complete. Whil e the system i s patch ing , a variety of m essage s wi[...]

RamSan-500 User’s Manual 38 of 48 Follow th e informati on in Section 4.8 to get t o the “ Lo gs ” i tem in the Web moni tor “ System List ” . To cl ear the s ystem event l og, rig ht- mouse cl ick the “ Log s ” i tem and select “ Cle ar Logs ” – alt ernativel y, left-mou se click th e eraser i con in the but ton bar. Thi s will[...]

RamSan-500 User’s Manual 39 of 48 Chapter 5 – System M aintenan ce Texas Mem ory Sy stems desi gned th e RamSan -500 to be easi ly mai ntainabl e. You can upd ate fi rmware f rom the Ja va i nterface and easi ly m aintain the system co mponent s. Y ou can hot s wap th e po wer su pplies an d Fla sh modu les, which means that you c an remov e an[...]

RamSan-500 User’s Manual 40 of 48 Figure 29 - Back of RamS an-5 00, Pow er Supp ly Locat ion If the RamSa n pow er su ppli es fail, th ey can be repl aced whil e the pow er remains on t o the system . There a re three ways to dete ct a bad powe r suppl y. The easi est wa y is to exam ine th e AC voltage L ED. (See Fi gu re 5 – RamSan -500 Pow e[...]

RamSan-500 User’s Manual 41 of 48 5.3 Flash Modules The RamSan -500 c ome s with 9 Fla sh modules i n a RAID 5 config uration . This secti on will go over various fai lu re conditi ons and wha t must b e done to correct th em. The Flash modul es in the Ram San-50 0 are d esigned a nd manu factured by Texas Mem ory Sy stems. Th ey incorp orate p r[...]

RamSan-500 User’s Manual 42 of 48 OFF No Power, zone not pre sent Because each Fl ash zone i s in dependent of the oth er, the statu s of eac h zone may d iffer. W ARNING R EMOVING A FLASH MODULE WHILE IT IS POWERED ON MAY C AUSE IRREVERSIBL E DAMAGE TO THE MODULE . O NLY R EMOVE A F LASH M ODULE IF BOTH STATUS INDICATOR LED S ARE O FF . 5.3.1 5.[...]

RamSan-500 User’s Manual 43 of 48 Figure 31 – Web M oni tor Flash Module Fail ure Detect ion Figure 31 shows th e Web m onitor det ectin g a sin gle bad Flash modu le. In this cas e, the m odul e has been p hysical l y removed from th e system so the Web moni tor is r eportin g it missi ng. The modu le i cons in th e “ System L ist ” sho w [...]

RamSan-500 User’s Manual 44 of 48 Figure 32 – Web M oni tor RAID Degrad ed D etection W ARNING M AKE CERTAIN THAT F LASH MODULES ARE P OWERED OFF BEFORE REMOV ING . The Web m oni tor report s high er-level i nformati on about a RA ID tha t has a mi ssing or bad Fla sh modul e. Figure 32 a bove sh ows th e RAID informat ion gen erated b y removi[...]

RamSan-500 User’s Manual 45 of 48 Figure 33 – Web M oni tor RAID Rebuil d Stat us If a Flash modul e fail s and it i s replaced wi th a new m odul e, the RAID must be rebu il t. The R AID is u sable wh ile rebu ilding , but performan ce is limi ted. W ARNING I T IS RECOMMENDED THAT THE R AM S AN REMAIN UNUSE D WHILE ANY RAID IS BEING REBUILT IF[...]

RamSan-500 User’s Manual 46 of 48 Figure 34 – Web M oni tor RAID Offline You can a ccess the Web moni tor for more speci fic informati on on which RAID is offl ine. A n exampl e scre enshot is shown in F igure 34 . If the RA ID has mul ti ple modul e failures, it will b e taken offl ine. Th ere will b e a good chan ce your RA ID wi ll lose its [...]

RamSan-500 User’s Manual 47 of 48 System Status: WARN Errors: cage 1 fan 1 speed is below normal levels (6122.82 RPM)  If a fan d egrade s in perf ormance, the front pa nel di splay wi ll show the fan’s sp eed. In this si tuati on, the fan i s still worki ng, bu t it i s not efficient . The erro r lin e displa yed to the ri ght scroll s acro[...]

RamSan-500 User’s Manual 48 of 48 Figure 36 – Top o f an Op en RamS an-50 0, L ocations of the F an Cages Please consu lt Fi gure 36 a bove t o determi ne wher e each fan cage i s in the chassis. Fan s 1 thr ough 8 are in Fan Ban k 1, and fans 9 throug h 12 a re in Fan Ban k 2. Once you have ext racted the fan cage, fi nd the fail ed fan. Ther [...]