Data Domain: MTREE-replikering viser feil Bytes_remaining under initialisering

Summary: MTREE-replikering viser feil bytes_remaining under initialisering.

Αυτό το άρθρο ισχύει για Αυτό το άρθρο δεν ισχύει για Αυτό το άρθρο δεν συνδέεται με κάποιο συγκεκριμένο προϊόν. Δεν προσδιορίζονται όλες οι εκδόσεις προϊόντων σε αυτό το άρθρο.

Symptoms

MTREE-replikering viser feil byte under initialiseringsprosessen for gamle MTREEer som aldri ble brukt under replikering.

The following MTREE has been used [# mtree list]:
/data/col1/support           5965.4   RW

Statistikk viser 92 TB gjenværende data etter at du har opprettet en ny MTREE-replikering ved hjelp av trinnene ovenfor:

# replication show detailed-stats rctx://1
CTX:1
Destination:                               
mtree://dd-dr.support.com/data/col1/support
Network bytes sent to destination:          2,287,577,928
Pre-compressed bytes written to source:     92,046,090,413,266
Pre-compressed bytes sent to destination:   2,860,770,559
Bytes after synthetic optimization:         2,860,770,559
Bytes after filtering by destination:       2,253,845,068
Bytes after low bandwidth optimization:     2,253,845,068
Bytes after local compression:              2,258,791,288
Pre-compressed bytes remaining:             92,043,229,642,707   <----
Compression ratio:                          1.3
Sync'ed-as-of time:                         (initializing)

Mens underliggende registernøkler viser mer nøyaktige byte:

repl.001.src_host = dd-prod.support.com
repl.001.src_path = /data/col1/support
repl.001.dst_host = dd-dr.support.com
repl.001.dst_path = /data/col1/support
repl.001.progress.task_name = initializing 3/3
repl.001.progress.init_vbytes = 5991145719813   <---

Fra ddfs.info:
Initial virtuelle byte estimering ser OK:

09/21 10:58:45.157 (tid 0x2b0e208796e0): repl ctx 1: mrepl_create_init_snap creating initial snapshot.
09/21 10:58:48.068 (tid 0x2b0e208796e0): repl ctx 1: estimating init vbytes as 5991145719813
09/21 10:58:48.995 (tid 0x2b0e208796e0): repl ctx 1: Using init_resync_snapid 1433317767:1886. Total snap count = 2, curent snap cnt = 0.

Etter noen minutter, det normale løpet av mrepl_sends Begynner å vises:

09/21 11:19:04.136 (tid 0x327e760): repl ctx 1:3: mrepl_send_file: file 30:0:ac66:0:a30e9f46:556eb187:1d74 took 218 sec, net throughput 297 KB/s, virtual throughput 290 KB/s, refs_sent 7575, refs_features_sent 0, segs_sent 0, segs_features_sent 7575, size 63416832, vbytes 63416832, nbytes 64858812 (recid 361) (ch-xor 0x98f3c7e9) (hole_seen FALSE)
09/21 11:19:59.031 (tid 0x2b0e2083cde0): repl ctx 1:16: mrepl_send_file: file 30:0:ac68:0:fccc10a6:556eb187:1d74 took 237 sec, net throughput 286 KB/s, virtual throughput 280 KB/s, refs_sent 7908, refs_features_sent 0, segs_sent 0, segs_features_sent 7908, size 66419200, vbytes 66419200, nbytes 67938672 (recid 363) (ch-xor 0x462a1211) (hole_seen FALSE)

Den neste forekomsten av vbytes_remain Viser en annen størrelse:

09/21 11:28:02.246 (tid 0x2b0e096ba050): repl ctx 1: mrepl_stats_local: vbytes_remain: 92036838018199

Cause

Initialiseringsprosessen er utformet for å beregne de logiske bytene som gjenstår fra opprettelsestidspunktet for MTREE. Fra oppretting til oppsett av MTREE-replikering skjedde det omtrent 92 TB datainntak og kumulativ skriving, noe som langt overskred gjeldende MTREE-størrelse.

Resolution

Slik utformes replikering for å beregne de logiske bytene som er igjen. Dette misforholdet observeres hver gang brukeren begynner å kopiere en eldre MTREE. Dette indikerer imidlertid ikke at MTREE-replikering replikerer dette for data, det replikerer bare gjeldende størrelse på MTREE som angitt av init_vbytes_remain

Når initialiseringsfasen er over, tilbakestiller du vbytes_remain til 0 og oppdater også vbytes_written_and_replicated med cum_raw_bytes Så påfølgende sikkerhetskopier viser ikke urealistisk statistikk, men rapporterer bare de nye dataene som er inntatt.

Επηρεαζόμενα προϊόντα

Data Domain

Προϊόντα

Data Domain
Ιδιότητες άρθρου
Article Number: 000042735
Article Type: Solution
Τελευταία τροποποίηση: 07 Ιαν 2026
Version:  5
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