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MIN12352
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codeparrot

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void
zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason,
nvlist_t *config)
{
int64_t loss = -1;
uint64_t edata = UINT64_MAX;
uint64_t rewindto;
struct tm t;
char timestr[128];
if (!hdl->libzfs_printerr)
return;
if (reason >= 0)
(void) printf(dgettext(TEXT_DOMAIN, ""action: ""));
else
(void) printf(dgettext(TEXT_DOMAIN, ""\t""));
/* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */
if (nvlist_lookup_uint64(config,
ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0)
goto no_info;
(void) nvlist_lookup_int64(config, ZPOOL_CONFIG_REWIND_TIME, &loss);
(void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_LOAD_DATA_ERRORS,
&edata);
(void) printf(dgettext(TEXT_DOMAIN,
""Recovery is possible, but will result in some data loss.\n""));
if (localtime_r((time_t *)&rewindto, &t) != NULL &&
strftime(timestr, 128, ""%F"", &t) != 0) {
(void) printf(dgettext(TEXT_DOMAIN,
""\tReturning the pool to its state as of %s\n""
""\tshould correct the problem. ""),
timestr);
} else {
(void) printf(dgettext(TEXT_DOMAIN,
""\tReverting the pool to an earlier state ""
""should correct the problem.\n\t""));
}
if (loss > 120) {
(void) printf(dgettext(TEXT_DOMAIN,
""Approximately "" FI64 "" minutes of data\n""
""\tmust be discarded, irreversibly. ""), (loss + 30) / 60);
} else if (loss > 0) {
(void) printf(dgettext(TEXT_DOMAIN,
""Approximately "" FI64 "" seconds of data\n""
""\tmust be discarded, irreversibly. ""), loss);
}
if (edata != 0 && edata != UINT64_MAX) {
if (edata == 1) {
(void) printf(dgettext(TEXT_DOMAIN,
""After rewind, at least\n""
""\tone persistent user-data error will remain. ""));
} else {
(void) printf(dgettext(TEXT_DOMAIN,
""After rewind, several\n""
""\tpersistent user-data errors will remain. ""));
}
}
(void) printf(dgettext(TEXT_DOMAIN,
""Recovery can be attempted\n\tby executing 'zpool %s -F %s'. ""),
reason >= 0 ? ""clear"" : ""import"", name);
(void) printf(dgettext(TEXT_DOMAIN,
""A scrub of the pool\n""
""\tis strongly recommended after recovery.\n""));
return;
no_info:
(void) printf(dgettext(TEXT_DOMAIN,
""Destroy and re-create the pool from\n\ta backup source.\n""));
}
/*
* zpool_import() is a contracted interface. Should be kept the same
* if possible.
*
* Applications should use zpool_import_props() to import a pool with
* new properties value to be set.
*/
int
zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
char *altroot)
{
nvlist_t *props = NULL;
int ret;
if (altroot != NULL) {
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) {
return (zfs_error_fmt(hdl, EZFS_NOMEM,
dgettext(TEXT_DOMAIN, ""cannot import '%s'""),
newname));
}
if (nvlist_add_string(props,
zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 ||
nvlist_add_string(props,