o sa tai din mailul tau ca sa ramina ce mi s-a parut a fi buba: On 9/21/05, Mihai Maties <[EMAIL PROTECTED]> wrote: > Desi modulul pentru chipset e incarcat nu pot activa DMA-ul pe disk (in loguri > nu apare nimic): > > /dev/hda: > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Operation not permitted > using_dma = 0 (off) > > ... astfel incat un hdparm -tT /dev/hda are urmatorul rezultat execrabil: > > /dev/hda: > Timing cached reads: 72 MB in 2.09 seconds = 34.48 MB/sec
asta trebuie sa-ti dea de gindit, nu ce e mai jos, 34MB/sec e FOARTE putin. uite aici de pe un xeon 2.8, 533parca busu: Timing buffer-cache reads: 2376 MB in 2.00 seconds = 1186.99 MB/sec altu, 3.2, ddr2 Timing cached reads: 3684 MB in 2.00 seconds = 1841.36 MB/sec > Timing buffered disk reads: 4 MB in 3.45 seconds = 1.16 MB/sec > > S-a mai lovit cineva de o asemenea situatie ? Nu stiu daca sa acuz o problema > hardware sau e vreo setare mai speciala care imi scapa mie. > > In fisierele atasate se gasesc eventualele informatii relevante despre sistem > (dmesg, lspci, cpuinfo ... etc) > > > Mihai iar se vede problema: e prea putin, uite ce e la mine pe 3.2Ghz raid5: automatically using best checksumming function: pIII_sse pIII_sse : 4912.000 MB/sec raid5: using function: pIII_sse (4912.000 MB/sec) md: raid5 personality registered as nr 4 raid6: int32x1 746 MB/s raid6: int32x2 910 MB/s raid6: int32x4 750 MB/s raid6: int32x8 585 MB/s raid6: mmxx1 1921 MB/s raid6: mmxx2 2261 MB/s raid6: sse1x1 1167 MB/s raid6: sse1x2 2214 MB/s raid6: sse2x1 2367 MB/s raid6: sse2x2 3507 MB/s raid6: using algorithm sse2x2 (3507 MB/s) md: raid6 personality registered as nr 8 > > raid5: automatically using best checksumming function: pIII_sse > pIII_sse : 95.000 MB/sec > raid5: using function: pIII_sse (95.000 MB/sec) > raid6: int32x1 177 MB/s > raid6: int32x2 8 MB/s > raid6: int32x4 4 MB/s > raid6: int32x8 2 MB/s > raid6: mmxx1 554 MB/s > raid6: mmxx2 674 MB/s > raid6: sse1x1 547 MB/s > raid6: sse1x2 501 MB/s > raid6: sse2x1 509 MB/s > raid6: sse2x2 635 MB/s > raid6: using algorithm sse2x2 (635 MB/s) > md: raid6 personality registered as nr 8 > md: multipath personality registered as nr 7 zic sa cauti in bios, internal/external cache, memory something, eventual ia FC3/4 si ruleaza memtest-ul, o sa-ti arate viteza la cache l1/l2/l3 memorie si vezi ce e pe acolo, schimba procesorul? hth. _______________________________________________ RLUG mailing list [email protected] http://lists.lug.ro/mailman/listinfo/rlug
